A list of episodes in Mermaid Secrets of the Deep.
Season 1[]
Episode 1: SURVIVOR[]
SURVIVOR - Mermaid Secrets of The Deep - Episode 1
Upload Date: July 24, 2015
A boy finds mermaid Radia, on the point of death, lying on the beach and takes her home to his pool to recover. She's frantic to get home by daybreak, and he promises to swim her back to her pod--he's a merman too, and he has a lot to tell her.
Episode 2: THE FLASHBACK[]
THE FLASHBACK - Mermaid - Secrets of The Deep - Episode 2
Upload Date: August 14, 2015
Radia is told by Merman Apex how the El Nino Storm is displacing mermaid life. Mermaid Aquata helps guide Radia back to the Ocean.
Episode 3: THE RESCUE[]
THE RESCUE - Mermaid Secrets of The Deep - Episode 3
Upload Date: September 17, 2015
El Nino forces Mermaid Radia off track. Fortunately, Merman Aquarius, rescues her and together they form a plan.
Episode 4: BELIEVE[]
BELIEVE - Mermaid Secrets of The Deep - Episode 4
Upload Date: November 13, 2015
Mermaid Radia & Aquarius run into a school of Megalodons, but Apex joins the battle! Hawkeye scouts from a seaplane.
Episode 5: TOGETHER[]
TOGETHER - Mermaid Secrets of the Deep - Episode 5
Upload Date: November 20, 2015
Radia finally rejoins her pod, and starts the trip to Anahola Bay.
Episode 6: ARRIVED[]
ARRIVED - Mermaid Secrets of The Deep - Episode 6
Upload Date: December 4, 2015
Radia and her pod make it to Anahola Bay, and meet the Mermaid Queen of the Tropics.
Episode 7: IMAGINE[]
IMAGINE - Mermaid Secrets of The Deep - Episode 7
Upload Date: December 11, 2015
Titania continues Radia's training.
Episode 8: ADVANCING[]
ADVANCING - Mermaid Secrets of The Deep Episode 8
Upload Date: December 23, 2015
Radia and Apex reunite, and decide that they need to make a trip to Michigan.
Episode 9: SEARCHING[]
SEARCHING - Mermaid Secrets of The Deep - Episode 9
Upload Date: January 8, 2016
Radia and Coral finally get together again, and Apex makes the trip to Michigan to find the magical flower.
Season 2[]
Episode 1: FINDING[]
FINDING - Mermaid Secrets of The Deep - Episode 10
Upload Date: January 15, 2016
Someone seems to be following Apex. Radia rejoins Coral and meets her newest rescue, Rain.
Episode 2: FOUND[]
FOUND - Mermaid Secrets of The Deep- Episode 11
Upload Date: January 22, 2016
Apex finally gets the flower, and Radia receives a golden mermaid toy.
Episode 3: PROGRESS[]
PROGRESS - Mermaid Secrets of The Deep - Episode 12
Upload Date: January 29, 2016
It's time to get started on the SONAR Defense System.
Episode 4: WONDER[]
WONDER - Mermaid Secrets of The Deep - Episode 13
Upload Date: February 4, 2016
Radia and Apex discover the silver pearl, and Radia starts to wonder what it would be like to have legs.
Episode 5: FORTITUDE[]
Mermaid Secrets of The Deep - Episode 14 - FORTITUDE
Upload Date: February 19, 2016
Mermaid Radia meets Merman Caspian. Meanwhile, Merman Apex builds a rock tower on the beach for the Alarm Shell.
Episode 6: ACTUALIZE[]
Mermaid Secrets of The Deep - Episode 15 - ACTUALIZE
Upload Date: February 26, 2016
The mers finish up the Sonar Defense System.
Episode 7: POWERFUL[]
Mermaid Secrets of The Deep - Episode 16 - POWERFUL
Upload Date: March 4, 2016
Mermaid Radia wishes Merman Apex safe travels as he swims back to his land base. Meanwhile Hawkeye's sub is attacked.
Season 3[]
Episode 1: SAVED[]
Mermaid Secrets of The Deep - Episode 17 - SAVED
Upload Date: April 1, 2016
Mermaid Melanie saves Hawkeye after his sub is attacked by Megalodons. Back on the mainland, Professor Will is getting closer to proving Mermaids are real.
Episode 2: CLUES[]
Mermaid Secrets of The Deep - Episode 18 - CLUES
Upload Date: April 15, 2016
Mermaid Melanie is discovered on Mermaid Rock, alive, by Mers Radia & Apex. Meanwhile, Prof. Will gathers clues about the Mermaids' existence.
Episode 3: TREASURE[]
Mermaid Secrets of The Deep - Episode 19 ~ TREASURE
Upload Date: April 22, 2016
Mermaid Melanie spots Mermaid Jewel, who reveals the Treasure Box she found that was hidden by Merman Prince Apex years ago.
Episode 4: LEGEND[]
Mermaid Secrets of The Deep ~ Episode 20 ~ LEGEND
Upload Date: April 29, 2016
Apex & Radia reawaken Mermaid Legend of the Crystal Apple.
Episode 5: ALARM[]
Mermaid Secrets of The Deep ~ Episode 21 ~ ALARM
Upload Date: May 13, 2016
The mermaids respond to the alarm.
Episode 6: REACT[]
MERMAID SECRETS OF THE DEEP ~ Episode 22 ~ REACT
Upload Date: June 3, 2016
Jewel and Melanie spy on the Megalodons, who seem to have multiplied, and Radia and Apex form a plan.
Episode 7: DRAGON![]
Mermaid Secrets of The Deep ~ Season 3 Episode 7 ~ DRAGON! 龙 🐉
Upload Date: June 17, 2016
Oceana reunites with Radia, having escaped from a water dragon who was keeping her as a pet.
Episode 8: WISE[]
Mermaid Secrets of The Deep ~ Season 3 Finale ~ WISE
Upload Date: July 1, 2016
Radia and the mermen need to camouflage in the reef to hide while the megalodons pass by.
Season 4[]
Episode 1: PAIN[]
Mermaid Secrets of The Deep ~ Season 4 Episode 1 ~ PAIN
Upload Date: July 15, 2016
Mermaid Radia is in great pain. A mermaid dentist friend is needed.
Episode 2: THE HOOK[]
Mermaid Secrets of The Deep ~ Season 4 Episode 2 ~ THE HOOK ~ A Short Mermaid Youtube Movie
Upload Date: July 22, 2016
Mermaid Radia gets help from a real dentist.
Episode 3: THE CHARMS[]
Mermaid Secrets of The Deep ~ Season 4 Episode 3 ~ THE CHARMS ~ Go For The Love of All Life
Upload Date: August 5, 2016
The Charms threaten all forms of life. Mermaid Radia will help.
Episode 4: GO[]
Mermaid Secrets of The Deep ~ S4E4 ~ GO ~ A short movie made for our Youtube channel
Upload Date: August 12, 2016
Mermaid Radia is seen by a human, and it's up to Apex to save the day.
Episode 5: EVOLVE[]
Mermaid Secrets of The Deep ~ S4E5 ~ EVOLVE ~ A new short movie made for A Youtube Channel
Upload Date: August 19, 2016
Merman Apex travels to the library to get the book on the mermaid charms meanwhile mermaid Raida decides to change color to protect her identity.
Episode 6: ADVENTURE[]
Mermaid Secrets of The Deep ~ S4E6 ~ ADVENTURE ~ A short movie made for youtube
Upload Date: August 26, 2016
A map. A merboy. A decision to make.
Episode 7: SHIPWRECK[]
Mermaid Secrets of The Deep ~ S4E7 ~ SHIPWRECK
Upload Date: September 9, 2016
Mermaid Radia and Merman Apex have just left the Purple Griffin Rock, whose inhabitant Octoplasma was able to help them find the right path according to the map. Now they swim in the deep dark ocean in search of the shipwreck that is their next landmark.
Episode 8: CHANGE[]
Mermaid Secrets of The Deep ~ Season 4 Finale ~ CHANGE
Upload Date: September 16, 2016
Apex dives to the shipwreck alone, in search of a powerful but dangerous charm.
Season 5[]
Episode 1: THE CODE[]
Mermaid Secrets of The Deep ~ S5E1 ~ THE CODE ~ magical mermaid videos
Upload Date: October 21, 2016
Mermaid Radia and Merman Apex crack the code.
Episode 2: READY[]
Mermaid Secrets of The Deep ~ S5E2 ~ READY ~ With Special Guest Hashtag Zoe! ~ a mermaid saga
Upload Date: November 4, 2016
Mermaid Radia must get legs now! Is she ready?
Episode 3: THE BIG EARTHQUAKE![]
Mermaid Secrets of The Deep ~ S5E3 ~ THE BIG EARTHQUAKE!
Upload Date: November 18, 2016
The big earthquake hits! Mermaid Radia and Apex are in big trouble!
Episode 4: ICE CREAM[]
Mermaid Secrets of The Deep ~ S5E4 ~ ICE CREAM
Upload Date: November 25, 2016
Mermaid Radia is healed by a Magical Mermaid Blanket and ice cream.
Episode 5: VIGILANCE[]
Mermaid Secrets of The Deep ~ S5E5 ~ VIGILANCE ~ Introducing New Mermaid life from New Zealand
Upload Date: December 2, 2016
Mermaid Cordilia and Merman Aqua from New Zealand seek Mermaid Radia for help. Merman Apex agrees to take them to her.
Episode 6: THE FRIENDS[]
Mermaid Secrets of The Deep ~ S5E6 ~THE FRIENDS
Upload Date: December 9, 2016
The mermaid friends share the secret to help keep mermaids alive.
Episode 7: NOW FREE[]
Mermaid Secrets of The Deep ~ S5E7 ~ NOW FREE to seek frozen h20 and Ice Skate this Christmas 2016
Upload Date: December 16, 2016
Now free of a tail, Mermaid Radia hopes to skate on frozen h20.
Episode 8: A FROZEN MERMAID CHRISTMAS[]
Mermaid Secrets of The Deep ~ A FROZEN MERMAID CHRISTMAS ~ S5E8
Upload Date: December 23, 2016
A frozen Mermaid Christmas and happy ice skating lesson.
Season 6[]
Episode 1: The Fairy Tale Continues...[]
NEW ~ Mermaid Secrets of The Deep ~ S6E1 ~ the fairy tale continues...
Upload Date: December 24, 2016
A new adventure begins.
Episode 2: PASSAGES[]
Mermaid Secrets of The Deep ~ S6E2 ~ PASSAGES
Upload Date: January 7, 2017
Mermaid Radia and Merman Apex begin to cross Mexico.
Episode 3: TRIALS[]
Mermaid Secrets of The Deep ~ Season 6 Episode 3 ~ TRIALS
Upload Date: January 14, 2017
Wild Mexican animals put Mermaid Radia and Apex into the Trials, and more mermaid secrets are revealed as the duo cling to life.
Episode 4: BRAVE[]
Mermaid Secrets of The Deep ~ S6E4 ~ BRAVE
Upload Date: January 21, 2017
The brave Mermaid Radia and Merman Apex must navigate the deep secrets of the mysterious Bermuda Triangle.
Episode 5: UP[]
Mermaid Secrets of The Deep ~ S6E5 ~ UP
Upload Date: January 28, 2017
Mermaid Radia and Merman Apex face a treacherous mountain climb. The mermaids push through in search of the Mermaid Tear Necklace.
Episode 6: The Necklace[]
Mermaid Secrets of The Deep ~ S6E6 ~ The Necklace
Upload Date: February 4, 2017
Mermaid Radia goes through the portal to find the magical necklace.
Episode 7: BADUZZI[]
Mermaid Secrets of The Deep ~ S6E7 ~ BADUZZI
Upload Date: February 11, 2017
Mermaid Radia and Apex help New Zealand Mermaids defend Matapouri Bay!
Episode 8: STORM[]
Mermaid Secrets of The Deep ~ S6E8 ~ STORM ~ Season 6 Finale ~ Youtube for kids
Upload Date: February 18, 2017
The mermaids battle the storm.
Season 7[]
Episode 1: HELP[]
Mermaid Secrets of The Deep ~ S7E1 ~ HELP ~ The live action real mermaid show gets environmental ❤️
Upload Date: March 11, 2017
The mermaids get stuck in plastic.
Episode 2: HOW TO[]
Mermaid Secrets of The Deep ~ S7E2 ~ HOW TO
Upload Date: March 18, 2017
4Ocean is a friend to the mermaids and might help the mermaids clean up the plastic garbage patch. First Apex will go back to his base where he has a computer. Mermaid Melanie will take Mermaid Radia to to sacred place where she can secure the Mermaid Tear Necklace.
Episode 3: HOPEFUL[]
Mermaid Secrets of The Deep ~ S7E3 ~ HOPEFUL
Upload Date: March 25, 2017
Mermaid Radia is hopeful. She replaces the Mermaid Tear Necklace. Merman Apex goes to his secret base to contact 4Ocean for help.
Episode 4: AMBASSADOR[]
Mermaid Secrets of The Deep ~ S7E4 ~ AMBASSADOR
Upload Date: April 1, 2017
Merman Apex, Mermaid Radia and 4Ocean use teamwork to clean up the big ocean garbage patch. Then Apex goes to meet Radia, but the mermaid is not there.
Episode 5: SUPPORT[]
Mermaid Secrets of The Deep ~ S7E5 ~ SUPPORT
Upload Date: April 8, 2017
See what happened to Mermaid Radia! Merman Apex does a magical spell to support Mermaid Radia.
Episode 6: STUCK[]
Mermaid Secrets of the Deep ~ S7E6 ~ STUCK
Upload Date: April 15, 2017
Apex and Radia get stuck at the top of the Ferris Wheel.
Episode 7: FAST[]
Mermaid Secrets of The Deep ~ Season Seven Episode Seven ~ FAST ~
Upload Date: April 22, 2017
Radia and Apex have to act fast to repair the sonar defense system that was damaged in the storm.
Episode 8: CAUGHT[]
Mermaid Secrets of The Deep ~ Season Seven Finale ~ CAUGHT
Upload Date: April 29, 2017
Mermaid Radia, and Merman Apex perform the Magical Mermaid Boosting Spell. Then the spying man gets caught by the mermaids!
Season 8[]
Episode 1: FORCE[]
Mermaid Secrets of The Deep ~ S8E1 ~ FORCE
Upload Date: May 13, 2017
By force Mermaid Radia and Merman Apex capture the man! Now they must decide what to do with him. "Together, what a force we could be..."
Episode 2: WONDER[]
Mermaid Secrets of The Deep ~ S8E2 ~ WONDER
Upload Date: May 27, 2017
Mermaid Radia and Merman Apex go to the secret base! Wonder what the sea turtle is going to tell the mermaids.
Episode 3: WARRIOR[]
Mermaid Secrets of The Deep ~ S8E3 ~ WARRIOR
Upload Date: June 3, 2017
The Warrior Mermaids think BIG and plan a global spell to save the world!
Episode 4: DEVOTED[]
Mermaid Secrets of The Deep - S8E4 - DEVOTED
Upload Date: June 10, 2017
Mermaid Radia seeks the devoted Monarch Merman's magical butterfly wing powder!
Episode 5: UNICORN[]
Mermaid Secrets of The Deep - S8E5 - UNICORN 🦄
Upload Date: June 17, 2017
Radia and the unicorn fairies make a deal.
Episode 6: SCIENCE[]
Mermaid Secrets of The Deep - S8E6 - SCIENCE
Upload Date: June 24, 2017
Radia and Apex mix the dangerous potion.
Episode 7: POOL[]
Mermaid Secrets of The Deep - S8E7 - POOL
Upload Date: July 1, 2017
Apex carries Mermaid Radia to the swimming pool to recover. The mermaids test her enchanted mermaid tail and discover its Powers!
Episode 8: TAIL[]
Mermaid Secrets of The Deep - S8E8 - TAIL
Upload Date: July 8, 2017
The Mermaid Tail gets the Magical Frog Spell at the swimming pool. With the Mermaid tail now ready, Radia can begin her big swim to Italy!
Season 9[]
Episode 1: SWIMMING POOL[]
Mermaid Secrets of The Deep - S9E1 - SWIMMING POOL
Upload Date: July 15, 2017
Mermaid Aquata and Mermaid Radia are swimming to the secret ocean portal. Mermaid Radia must swim to the Mermaid Pool in Italy!
Episode 2: REAL MERMAIDS[]
Mermaid Secrets of The Deep - S9E2 - REAL MERMAIDS 🇮🇹
Upload Date: July 22, 2017
Mermaid Radia arrives at a Real Mermaid pool in Italy. Apex begins searching for the magic stones in Rome--the real Rome.
Episode 3: THE NEW MERMAID[]
Mermaid Secrets of The Deep - S9E3 -THE NEW MERMAID
Upload Date: July 29, 2017
Radia plays with her new friends while Apex's quest continues.
Episode 4: FREE[]
Mermaid Secrets of The Deep - S9E4 - FREE
Upload Date: August 5, 2017
Mermaid Radia's tail is freed from the potion. Apex frees the third stone from its hiding place.
Episode 5: CHALLENGE[]
Mermaid Secrets of The Deep S9E5 CHALLENGE
Upload Date: August 12, 2017
After a trip through an obstacle course to regain strength in her legs, Radia joins Apex for a train ride to Rome.
Episode 6: ECLIPSE[]
Mermaid Secrets of The Deep S9E6 ECLIPSE
Upload Date: August 19, 2017
Mermaid Radia & Merman Apex try to replace the magical stones to Rome to trigger a Total Solar Eclipse to save the planet. Will the mermaids make it in time?
Episode 7: TRANCE[]
Mermaid Secrets of The Deep S9E7 TRANCE
Upload Date: August 26, 2017
More mermaid secrets revealed as mermaid Athenia returns without her mermaid twin Vena.
Episode 8: LIVE[]
Mermaid Secrets of The Deep S9E8 LIVE - Season 9 Finale
Upload Date: September 2, 2017
Will the mermaid twin choose to live or stay in the trance forever?
Season 10[]
Episode 1: In Real Life[]
Mermaid Secrets of The Deep - Season 10 Episode 1 - In Real Life
Upload Date: September 30, 2017
Mermaid Radia and Apex swimming to the bay and discuss the secret mermaid potion.
Episode 2: EYES[]
Mermaid Secrets of The Deep - S 10 E 2 - EYES
Upload Date: October 7, 2017
Mermaid Radia and Apex seek the Dragon Tamer out! Beware, can her eyes see your thoughts?
Episode 3: LIVE or DIE[]
Mermaid Secrets of The Deep S10 E3 LIVE or DIE
Upload Date: October 21, 2017
Mermaid Titania is found sick on the beach.
Episode 4: THE DRAGON FIRE[]
Mermaid Secrets of the Deep S10E4 THE DRAGON FIRE
Upload Date: October 28, 2017
Mermaid Radia swims back to Apex to finalize the plan to distribute the Global Healing Potion (GHP) they created. Apex suggests using helicopters, Bees and Dragons to spread the potion across the planet. However, as Apex warns Radia, she must not get near the Dragon's fire.
Episode 5: SPLIT[]
Mermaid Secrets of The Deep - SPLIT - s10e5 Theekholms
Upload Date: November 4, 2017
Mermaid Radia is caught in the Dragon Fire and is split into two versions of herself. Raida in the green dress and her split shadow side in the pink dress! Radia becomes a captive of the dragon while the split Radia ditches her and returns to Apex for revenge!
Episode 6: PINK[]
Mermaid Secrets of the Deep - PINK - S10E6 Theekholms
Upload Date: November 11, 2017
Mermaid Radia faces the Dragon! Her Pink dress, shadow side, is loose and must be caught! Apex commands the helicopters to pick up the potion and fly to the hurricane!
Episode 7: NOW[]
Mermaid Secrets of The Deep - NOW - S10E7 Theekholms
Upload Date: November 18, 2017
Mermaid Radia & Apex reunite and share what happened. How she got away from the Dragon. How he got the black eye. Now that the global potion has been spread, let's get ice cream!
Episode 8: HAPPY[]
Mermaid Secrets of the Deep S10E8 HAPPY 🧜♀️🦈 Theekholms
Upload Date: December 2, 2017
Mermaid Radia & Merman Apex are happy to share an ice cream and their new mermaid tail colors. Did the potion work? The Megalodons return.
Season 11[]
Episode 1: FAIL[]
Mermaid Secrets of The Deep - FAIL - S11E1 Theekholms
Upload Date: December 16, 2017
Mermaid Radia thinks her global healing potion is a failure and becomes hopeless. Merman Apex knows of a special mermaid place that will help her become hopeful again.
Episode 2: HOPE[]
Mermaid Secrets of The Deep - HOPE - S11E2 Theekholms
Upload Date: December 23, 2017
Mermaid Radia is hopeless. Apex takes her to a magical Christmas palace where angels help her find hope again.
Episode 3: THE MUSIC[]
Mermaid Secrets of The Deep -THE MUSIC - S11E3 Theekholms
Upload Date: December 30, 2017
Mermaid Radia hears the music! Music only a real live mermaid princess can hear...The music draws her in as the temperature outdoors drops. Spirit animals help her along her quest to find where the music is coming from.
Episode 4: PRINCESS[]
Mermaid Secrets of The Deep - PRINCESS - S11E4 Theekholms
Upload Date: January 6, 2018
The real Mermaid Princess is found. The ancient music box plays the mermaid recordings and mermaid Radia learns about her past. Mermaid Radia is given the royal jewels and sent on a mission to return the crystal pearl to the hidden caves.
Episode 5: BRAVE[]
Mermaid Secrets of The Deep - BRAVE - S11E5 Theekholms
Upload Date: January 13, 2018
The brave Mermaid Princess must return the crystal pearl to the secret cave. The seagulls guide her over the dangerous seaside cliffs.
Episode 6: HOW[]
Mermaid Secrets of The Deep - HOW - S11E6 Theekholms
Upload Date: January 20, 2018
How will the Mermaid Princess Radia return the Crystal Pearl to the Eternal Cave? What are the lights she sees off in the distance! Apex?
Episode 7: THE PIER[]
Mermaid Secrets of The Deep - THE PIER - S11E7 Theekholms
Upload Date: January 27, 2018
Mermaid Princess Radia swims to The Pier in Santa Monica. On The Pier she plays a game and wins a mermaid unicorn fairy who tells her to visit the aquarium. At the aquarium she meets Kiara, a friend of the mermaids. Kiara is a fintastic teacher and protector of the ocean. Thank you Kiara!
Episode 8: FIND[]
Mermaid Secrets of The Deep - FIND - S11E8 Season Finale Theekholms
Upload Date: February 3, 2018
mermaid Radia tries to find Apex. Merman Apex has been missing. Radia spots Apex a couple of times at the beach, but then he disappears. Has the little mermaid lost her mind?
Season 12[]
Episode 1: FRIENDS[]
Mermaid Secrets of The Deep - FRIENDS - S12E1 Theekholms
Upload Date: February 24, 2018
The mermaid friends meet up at the Santa Monica Pier! Mermaid Princess Radia helps Aquarius turn his tail into legs.
Episode 2: GO HIGHER[]
Mermaid Secrets of The Deep - GO HIGHER - S12E2 Theekholms
Upload Date: March 3, 2018
Mermaid Radia trains Aquarius to strengthen his new legs and go higher than ever before!
Episode 3: DOWN[]
Mermaid Secrets of The Deep - DOWN - S12E3 Theekholms
Upload Date: March 10, 2018
Mermaid Radia helps Aquarius after he falls down from the rings onto a sharp plastic straw. The mermaids decide they must do something to fix plastic straw pollution. Aquarius asks mermaid Radia to swim him to the reef to say goodbye. The mermaids go off in different directions.
Episode 4: Princess Dress[]
Mermaid Secrets of The Deep - Princess Dress - S12E4 Theekholms
Upload Date: March 17, 2018
Shopping for a formal dress can be a lot harder than it sounds. Mermaid Radia starts to question the process and makes a strong choice! Who is in charge of who!?
Episode 5: PRINCESS STRESS[]
Mermaid Secrets of The Deep - PRINCESS STRESS - S12E5 Theekholms
Upload Date: March 24, 2018
The Little Mermaid Princess is brought to the healer after high stress caused an anxiety attack! Hillary, the healer, talks to the mermaid princess and teaches her how to cope with stress.
Episode 6: CARE[]
Mermaid Secrets of The Deep - CARE - S12E6 Theekholms
Upload Date: March 31, 2018
Radia goes into a dream-like state and has mermaid memories while being treated by Hillary.
Episode 7: STARDUST[]
Mermaid Secrets of the Deep - STARDUST - S12E7 Theekholms
Upload Date: April 21, 2018
Mermaid Radia is rested and ready for her destiny as a mermaid princess. She hears a call for help and swims into action. A merman needs help! Radia teleports him to the healing pool and performs a complete Enchantail reset magical medical procedure. There she learns more about his origins and the reason he was in danger, a megalodon attack. She leaves to investigate, but against her instructions he follows.
Episode 8: THE LITTLE MERMAID[]
Mermaid Secrets of The Deep - THE LITTLE MERMAID - S12E8 Theekholms
Upload Date: April 28, 2018
While searching the megalodon attack area mermaid Radia finds a little mermaid named Emma on the beach. Emma is shaken but safe, having been rescued by Apex. However, she refuses to leave the island until she sees her sister Mermaid Océane again, and it's unclear if she's still alive.
Season 13[]
Episode 1: MERMAID SONG[]
Mermaid Secrets of the Deep - MERMAID SONG - S13E1 Theekholms
Upload Date: May 12, 2018
Upon hearing the song, Radia, finds the two mermaids on the beach. Mermaids Océane, Lula, and Radia discuss the new strategy to stop climate change and pollution.
Episode 2: TANGLED[]
Mermaid Secrets of The Deep - S13E2 - TANGLED Theekholms
Upload Date: June 2, 2018
Dolphins get tangled in ghost nets! Radia and hear their call for help.
Episode 3: GHOST NET[]
Mermaid Secrets of the Deep S13E3 GHOST NET Theekholms
Upload Date: June 16, 2018
More Mermaid Secrets revealed as the mermaids put an end to a real ghost net. Then Radia hears a wolf howl calling to her and poof! She is teleported away! Mermaid Athena gets legs too!
Episode 4: WOLF[]
Mermaid Secrets of The Deep - WOLF - S13E4 Theekholms
Upload Date: June 23, 2018
Radia, the mermaid princess, is teleported deep into the forest. A wolf is there to meet her. Apex shapeshifts and explains the situation. A sick wolf needs the volatile mermaid potion to survive. It is dangerous, but they have to try!
Episode 5: NO[]
Mermaid Secrets of the Deep - S13E5 - NO Theekholms
Upload Date: July 21, 2018
Mermaid Radia is suffering from the potion's effects! Mermaid Athena stands up to bullying.
Episode 6: TRAP[]
Mermaid Secrets of the Deep - S13E6 - TRAP Theekholms
Upload Date: July 28, 2018
A glitch in the vortex dumps Radia in a golf course.
Episode 7: BACK[]
Mermaid Secrets of the Deep - S13E7 - BACK Theekholms
Upload Date: August 11, 2018
The Mermaid Princess is back in the water! The turtle tells her to find Eurydice's crystal ball on the lake bottom, announcing herself to the world as the Mermaid Princess. Radia now has to deal with the responsibilities of her power, and the fear that she won't be able to use it to help.
Episode 8: LOOK and SEE[]
Mermaid Secrets of the Deep - S13E8 - LOOK and SEE Theekholms
Upload Date: August 25, 2018
Radia heads to New York, where more mermaid secrets are revealed.
Season 14[]
Episode 1: THE MERMAID IN NEW YORK[]
Mermaid Secrets of the Deep - S14E1 - THE MERMAID IN NEW YORK Theekholms
Upload Date: September 8, 2018
Mermaid Radia and Merman Apex go to New York City! The mermaid friends there help them locate and secure the missing charms, while they continue to reveal more mermaid secrets of the deep.
Episode 2: THE FEARLESS GIRL[]
Mermaid Secrets of the Deep - S14E2 - THE FEARLESS GIRL Theekholms
Upload Date: September 15, 2018
See the mermaid escorted into Times Square and crack open the space-time continuum and secure the lost charm. Mermaid Radia also visits Ziggy the dog who delivers another lost charm to her. Then, with the help of a lovely lady, she finds the Fearless Girl statue and secures another lost charm. Merman Apex keeps a lookout from the top of a skyscraper.
Episode 3: JADE The Green Tail Mermaid[]
Mermaid Secrets of the Deep - S14E3 - JADE The Green Tail Mermaid Theekholms
Upload Date: September 22, 2018
Mermaid Radia goes into the enchanted forest to find the lost charm. Then she brings it to Jade the Green Tail Mermaid, whose touch starts to restabilize the charm. Radia must get the other two green tail sisters to do the same or else the charm will lose its power, and so goes the fate of the green tail mermaids.
Episode 4: THE SISTERS[]
Mermaid Secrets of the Deep - S14E4 - THE SISTERS Theekholms
Upload Date: September 29, 2018
The mermaid sisters help Radia restore the charm. Suddenly, Apex informs Radia that she must lock the grandfather clock charm-keeper before 12 bells. Will she make it!? The future of the mermaids hangs in the balance.
Episode 5: TIME WARP[]
Mermaid Secrets of the Deep - S14E5 - TIME WARP Theekholms
Upload Date: October 27, 2018
The mermaid princess gets caught in a time warp and starts going back in time. She sees the Civil War, medieval times and a dragon! Then merman Apex saves her and the mermaids fall back into real time.
Episode 6: TEMPEST[]
Mermaid Secrets of the Deep - S14E6 - TEMPEST
Upload Date: November 3, 2018
Mermaid Radia and Merman Apex drop into Tempest Freerunning Academy to regroup from the time warp. At Tempest, they have fun while recalibrating their mind-body connection. More mermaid secrets of the deep are revealed in this mermaid video.
Episode 7: Mermaid Friends[]
Mermaid Secrets of the Deep - S14E7 - Mermaid Friends Theekholms
Upload Date: November 10, 2018
See the mermaid friends meet again! Also, see deep inside Merman Apex's base where he helps the animals and conducts aquatic research!
Episode 8: REMEMBER[]
Mermaid Secrets of the Deep - S14E8 - REMEMBER Theekholms
Upload Date: November 17, 2018
The mermaids learn that the Golden Mermaid fable has been brought to life and is in danger. Mermaid Radia remembers when Coral gave her the Golden Mermaid Doll. Then merman Apex helps her remember the cove where the Librarian spotted her. The cove is where the real live Golden Mermaid is trapped. Will Radia make it in time!?
Season 15[]
Episode 1: THE GOLDEN MERMAID[]
Mermaid Secrets of the Deep - S15E1 - THE GOLDEN MERMAID Theekholms
Upload Date: December 8, 2018
In this episode, mermaid Radia finds the Golden Mermaid trapped on the beach. Radia uses her magical powers to return the Golden Mermaid back to her home. Then a dark charm ghost appears and reminds us that the mermaids are still in danger. Remember, in season 14 many charms were lost. The rest of the charms must be located and secured. Apex and Radia will have to visit a few friends of the mermaids to gain insight into the charms locations. Wish them luck as they persevere and find the charms!
Episode 2: THE SEA LION[]
Mermaid Secrets of the Deep - S15E2 - THE SEA LION Theekholms
Upload Date: December 29, 2018
Merman Apex is close to finding a lost charm. He visits Hank the gardener. Hank advises Apex to visit the sea lion at the end of the pier who knows where the charm is. The sea lion tells Apex the charm escaped to New Zealand. Now Apex and the mermaid Radia will have to travel there to find it. Luckily the mermaids have mer friends there who can help them. It won't be easy. A volcano is about to erupt and the mermaids are running out of time! Hopefully, the mermaid pools are still there and can protect the mermaids.
Episode 3: THE MERMAIDS IN NEW ZEALAND[]
Mermaid Secrets of the Deep - S15E3 - THE MERMAIDS IN NEW ZEALAND Theekholms
Upload Date: January 12, 2019
The mermaids go to New Zealand in search for the lost charm. Mermaid Cordillia and Merman Aqua are there to meet Radia and Apex. Radia gives the mermaids legs so they can run across the beach to greet them. Now the epic journey begins. The mermaids in New Zealand must travel a long way to get to the Charm Maker.
Episode 4: THE MERMAIDS VILLAIN[]
Mermaid Secrets of the Deep - S15E4 - THE MERMAIDS VILLAIN Theekholms
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See the mermaids' villain put a dark spell on Mermaid Radia. The villain's name is INK. He is following the mermaids in hopes of stealing the charm locator that was lost many years ago. Merman Aqua and Mermaid Cordelia lead Apex and Radia through the winding path to the Charm Maker.
Episode 5: THE MERMAID CHARM[]
Mermaid Secrets of the Deep - S15E5 - THE MERMAID CHARM Theekholms
Upload Date: January 26, 2019
Mermaid Cordelia uses a magical mermaid charm to free Radia of a curse put on her by the villain, Ink. Then the mermaids go to The Charm Maker and ask him to create a charm locator for them to use.
Episode 6: THE WATER FAIRY[]
Mermaid Secrets of the Deep - S15E6 - THE WATER FAIRY Theekholms
Upload Date: February 16, 2019
The Mermaid kids pick up the charm locator then take the ferry boat to the island. The Water Fairy appears just in time with a drink. The villain, Ink, is close behind. Ink is determined to learn the mermaid secrets and steal the charms.
Episode 7: VESUVIUS RETURNS[]
Mermaid Secrets of the Deep - S15E7 - VESUVIUS RETURNS Theekholms
Upload Date: March 2, 2019
The dark spell wears off and Merman Vesuvius gets his tail back! Merman Apex helps him remember his mission. Mermaid Radia and friends continue swimming in the ocean. The plan is for Vesuvius to find the escape pod and retrieve the lost charm activator, then meet the mermaids at the campfire.
Episode 8: APEX THE LEGEND[]
Mermaid Secrets of the Deep - S15E8 - APEX THE LEGEND Theekholms
Upload Date: March 9, 2019
Apex dives through the secret portal into the unknown. Merman Vesuvius dives to the lost escape pod and finds the charm activator. Mermaid Radia and Cordelia and merman Aqua unite with Apex and unlock the Legends Portal. Apex and Vesuvius battle the villain, Ink!
Season 16[]
Episode 1: MERMAIDS CAUGHT[]
Mermaid Secrets of the Deep - S16E1 - MERMAIDS CAUGHT Theekholms
Upload Date: June 22, 2019
Mermaid Radia and Merman Apex are in trouble! The Mermaids caught in a trap vortex get sent to the desert. The heat weakens them. Bounty hunters want the charm locator the mermaids have. The little mermaid becomes the bait!
Episode 2: THE MERMAIDS ESCAPE[]
Mermaid Secrets of the Deep - S16E2 - THE MERMAIDS ESCAPE Theekholms
Upload Date: July 6, 2019
The Mermaids must escape the mermaid jail in an old sunken pirate ship. They look for a key but find a magic spell book. Apex tries his new powers!
Episode 3: THE LITTLE MERMAID SEANNA[]
Mermaid Secrets of the Deep - S16E3 - THE LITTLE MERMAID SEANNA Theekholms
Upload Date: August 10, 2019
Radia finds the little mermaid washed up on the beach! Her name is Seanna. Her tail is weak and she is scared. Mermaid Radia carries her to the healing pool to recover. They go swimming in the pool and become friends.
Episode 4: REAL PROOF[]
Mermaid Secrets of the Deep - S16E4 - REAL PROOF Theekholms
Upload Date: August 17, 2019
Mermaid Radia finds clues to what attacked Mermaid Seanna. She runs a scientific test then goes swimming in the ocean to look deep. The real proof is found. A Megalodon tooth!
Episode 5: THE REAL DANGER[]
Mermaid Secrets of the Deep - S16E5 - THE REAL DANGER Theekholms
Upload Date: September 7, 2019
Mermaid Radia delivers the Megalodon tooth to Apex. They go to the beach and the real danger is revealed. The plan, to swim in the water and tag a megalodon.
Episode 6: THE MERMAIDS LIGHT[]
Mermaid Secrets of the Deep - S16E6 - THE MERMAIDS LIGHT Theekholms
Upload Date: September 14, 2019
Mermaid Radia gets an enhancement from Mer-Esthetician Jenny. The Mermaids Light treatment empowers her. Next, she and Apex will dive the ocean and try to tag a megalodon!
Episode 7: THE MERMAIDS UNITE[]
Mermaid Secrets of the Deep - S16E7 - THE MERMAIDS UNITE Theekholms
Upload Date:
Radia seeks out Mermaid Dinara to ask for help. The mermaids unite to give Merman Apex the best chance of tagging a Megalodon. Radia remembers the first Mermaid Vs. Megalodon battle when Aquarius used his sonic scream to defeat them.
Episode 8: THE MERMAIDS TAKE AIM[]
Mermaid Secrets of the Deep - S16E8 - THE MERMAIDS TAKE AIM Theekholms
Upload Date: November 30, 2019
The mermaids swim out to tag a megalodon with a satellite tracker. Mermaid Radia and Dinara swim support for Merman Apex. Apex has one chance to take the shot and return to safety.
Season 17[]
Episode 1: ALONE[]
Mermaid Secrets of The Deep - S17E1 - ALONE Theekholms
Upload Date: March 28, 2020
Mermaid Radia is alone, after six months since Apex went missing tagging a megalodon. She's haunted by nightmares and struggling. A fairy delivers her brownies, and a tracker signal appears.
Episode 2: FAIRYTALE[]
Mermaid Secrets of The Deep - S17E2 - FAIRYTALE Theekholms
Upload Date: April 4, 2020
A fairy casts a magic spell on Mermaid Radia to help lift her spirits!
Episode 3: DISCOVERY[]
Mermaid Secrets of the Deep - S17E3 - DISCOVERY Theekholms
Upload Date: April 11, 2020
Mermaid Radia has a flashback from the time she and Apex were caught in between time dimensions. She makes the discovery that Apex might be there, ALIVE!
Episode 4: LEGO MERMAIDS[]
Mermaid Secrets of the Deep - S17E4 - LEGO MERMAIDS
Upload Date: April 18, 2020
Mermaid Radia hacks into a time portal and goes into a Lego Mermaid world by mistake! The Lego Mermaids agree to help her find her way back.
Episode 5: THE ABYSS[]
Mermaid Secrets of The Deep - S17E5 - THE ABYSS Theekholms
Upload Date: May 2, 2020
The mermaids must venture past the Ghost Ships, Treacherous Toadstool Trench and the Lost City of Atlantis to get to the portal. It is a dangerous journey. Will it be the end of the Pod?
Episode 6: STAY CALM[]
Mermaid Secrets of The Deep - S17E6 - STAY CALM Theekholms
Upload Date: May 9, 2020
Dolphin saves the mermaids from the trench. They must venture past Atlantis on way to Skull Cave. The portal is inside the cave guarded by the Kraken!
Episode 7: THE KRAKEN[]
Mermaid Secrets of The Deep - S17E7 - THE KRAKEN Theekholms
Upload Date: May 23, 2020
The Kraken catches the Mermaids trespassing! He gives mermaid Radia one chance to save herself and the pod. Turtle is in trouble too!
Episode 8: PASSAGE[]
Mermaid Secrets of the Deep - S17E8 - PASSAGE Theekholms
Upload Date: May 30, 2020
The mermaids have twelve hours to bring a megalodon tooth to the Kraken or he will eat them! Then mermaid Radia can enter the portal. The hardest part will be saying goodbye.
Season 18[]
Episode 1: THE GROTTO[]
Mermaid Secrets of the Deep - S18E1 - THE GROTTO Theekholms
Upload Date: June 13, 2020
Mermaid Radia transports to the grotto. She discovers dragon eggs and Apex's journal. Suddenly, the dragon returns!
Episode 2: SPIRIT[]
Mermaid Secrets of the Deep - S18E2 - SPIRIT - Theekholms
Upload Date: July 11, 2020
Kamakshi and Jesse, her horse, rescue Mermaid Radia from the dragon! Her spirit is renewed with a guided meditation. She realizes she is not alone. Mermaids from her past are her allies.
Episode 3: THE MERMAIDS SURPRISE[]
Mermaid Secrets of the Deep - S18E3 - THE MERMAIDS SURPRISE - Theekholms
Upload Date: August 1, 2020
Mermaid Radia visits her friend Athena who has a surprise for her! The mermaids surprise is the most fun possible on land until a vortex is triggered!
Episode 4: A Mermaids Mastery[]
Mermaid Secrets of the Deep - S18E4 - A Mermaids Mastery - Theekholms
Upload Date: August 8, 2020
Mermaid Radia is transported into the forest. She meets the Forest King. He continues her training and reveals who her father is.
Episode 5: REFLECTION[]
Mermaid Secrets of the Deep - S18E5 - REFLECTION - Theekholms
Upload Date: January 16, 2021
After her intense training with the Posidon Swords, Mermaid Radia takes time for reflection. Choosing her battles carefully. The Orb of Insight gives her direction.
Episode 6: APOCALYPSE[]
Upload Date: Jun 26, 2021
Apocalypse! Mermaid Radia uses her super vision to spot a ten mile wide asteroid heading for her planet!
Mermaid Secrets of the Deep - S18E6 - APOCALYPSE - THEEKHOLMS
End of times? Could there be a way out?
Episode 7: THE GAUNTLET[]
Upload Date: Jul 17, 2021
Mermaid Secrets of The Deep - S18E7 - THE GAUNTLET - Theekholms
Mermaid Radia must run the gauntlet and battle the Gate Keeper to get the powerful silver pearls. It's her only hope! We Mermaid for this. Never give up!
Episode 8: IMPACT[]
Upload Date: Jul 31, 2021
Mermaid Secrets of The Deep - S18E8 - IMPACT - Theekholms
Mermaid Radia attempts to use, the magical power, of silver pearls to save the world. Can she divert the massive meteor from impact with her planet? Will all life end?
Season 19[]
Epsiode 1: MUTATE[]
Mermaid Secrets of The Deep S19E1 MUTATE - Theekholms
Mermaid Radia regains consciousness after the meteor's impact. Her world has changed. She feels the presence of a long lost friend, Apex! Not sure if she is dreaming, she decides to go to his base.
Episode 2: ENHANCE[]
MERMAID SECRETS OF THE DEEP - S19E2 - ENHANCE - Theekholms
Mermaid Radia swims to Apex's Base making a mermazing discovery! The space dust has colored the water like a rainbow and is causing mutations in the sea life. The mermaids start to explore these changes with great caution.
Episode 3: A NEW LIGHT[]
Mermaid Secrets of The Deep - S19E3 - A NEW LIGHT - Theekholms
Mermaid Radia shares her new fear with Merman Apex. What is happening to her tail? Where is the place she is having a vision of?