A list of episodes in Mermaid Secrets of the Deep.
Season 1[]
Episode 1: SURVIVOR[]
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[]
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[]
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[]
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[]
Upload Date: November 20, 2015
Radia finally rejoins her pod, and starts the trip to Anahola Bay.
Episode 6: ARRIVED[]
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[]
Upload Date: December 11, 2015
Titania continues Radia's training.
Episode 8: ADVANCING[]
Upload Date: December 23, 2015
Radia and Apex reunite, and decide that they need to make a trip to Michigan.
Episode 9: SEARCHING[]
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[]
Upload Date: January 15, 2016
Someone seems to be following Apex. Radia rejoins Coral and meets her newest rescue, Rain.
Episode 2: FOUND[]
Upload Date: January 22, 2016
Apex finally gets the flower, and Radia receives a golden mermaid toy.
Episode 3: PROGRESS[]
Upload Date: January 29, 2016
It's time to get started on the SONAR Defense System.
Episode 4: WONDER[]
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[]
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[]
Upload Date: February 26, 2016
The mers finish up the Sonar Defense System.
Episode 7: 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[]
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[]
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[]
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[]
Upload Date: April 29, 2016
Apex & Radia reawaken Mermaid Legend of the Crystal Apple.
Episode 5: ALARM[]
Upload Date: May 13, 2016
The mermaids respond to the alarm.
Episode 6: 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![]
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[]
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[]
Upload Date: July 15, 2016
Mermaid Radia is in great pain. A mermaid dentist friend is needed.
Episode 2: THE HOOK[]
Upload Date: July 22, 2016
Mermaid Radia gets help from a real dentist.
Episode 3: THE CHARMS[]
Upload Date: August 5, 2016
The Charms threaten all forms of life. Mermaid Radia will help.
Episode 4: GO[]
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[]
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[]
Upload Date: August 26, 2016
A map. A merboy. A decision to make.
Episode 7: 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[]
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[]
Upload Date: October 21, 2016
Mermaid Radia and Merman Apex crack the code.
Episode 2: READY[]
Upload Date: November 4, 2016
Mermaid Radia must get legs now! Is she ready?
Episode 3: THE BIG EARTHQUAKE![]
Upload Date: November 18, 2016
The big earthquake hits! Mermaid Radia and Apex are in big trouble!
Episode 4: ICE CREAM[]
Upload Date: November 25, 2016
Mermaid Radia is healed by a Magical Mermaid Blanket and ice cream.
Episode 5: VIGILANCE[]
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[]
Upload Date: December 9, 2016
The mermaid friends share the secret to help keep mermaids alive.
Episode 7: NOW FREE[]
Upload Date: December 16, 2016
Now free of a tail, Mermaid Radia hopes to skate on frozen h20.
Episode 8: A FROZEN MERMAID CHRISTMAS[]
Upload Date: December 23, 2016
A frozen Mermaid Christmas and happy ice skating lesson.
Season 6[]
Episode 1: The Fairy Tale Continues...[]
Upload Date: December 24, 2016
A new adventure begins.
Episode 2: PASSAGES[]
Upload Date: January 7, 2017
Mermaid Radia and Merman Apex begin to cross Mexico.
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[]
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[]
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[]
Upload Date: February 4, 2017
Mermaid Radia goes through the portal to find the magical necklace.
Episode 7: BADUZZI[]
Upload Date: February 11, 2017
Mermaid Radia and Apex help New Zealand Mermaids defend Matapouri Bay!
Episode 8: STORM[]
Upload Date: February 18, 2017
The mermaids battle the storm.
Season 7[]
Episode 1: HELP[]
Upload Date: March 11, 2017
The mermaids get stuck in plastic.
Episode 2: 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[]
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[]
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[]
Upload Date: April 8, 2017
See what happened to Mermaid Radia! Merman Apex does a magical spell to support Mermaid Radia.
Episode 6: STUCK[]
Upload Date: April 15, 2017
Apex and Radia get stuck at the top of the Ferris Wheel.
Episode 7: 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[]
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[]
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[]
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[]
Upload Date: June 3, 2017
The Warrior Mermaids think BIG and plan a global spell to save the world!
Episode 4: DEVOTED[]
Upload Date: June 10, 2017
Mermaid Radia seeks the devoted Monarch Merman's magical butterfly wing powder!
Episode 5: UNICORN[]
Upload Date: June 17, 2017
Radia and the unicorn fairies make a deal.
Episode 6: SCIENCE[]
Upload Date: June 24, 2017
Radia and Apex mix the dangerous potion.
Episode 7: 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[]
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[]
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[]
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[]
Upload Date: July 29, 2017
Radia plays with her new friends while Apex's quest continues.
Episode 4: 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[]
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[]
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[]
Upload Date: August 26, 2017
More mermaid secrets revealed as mermaid Athenia returns without her mermaid twin Vena.
Episode 8: LIVE[]
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[]
Upload Date: September 30, 2017
Mermaid Radia and Apex swimming to the bay and discuss the secret mermaid potion.
Episode 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[]
Upload Date: October 21, 2017
Mermaid Titania is found sick on the beach.
Episode 4: 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[]
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[]
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[]
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[]
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[]
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[]
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[]
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[]
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[]
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[]
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[]
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[]
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[]
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[]
Upload Date: March 3, 2018
Mermaid Radia trains Aquarius to strengthen his new legs and go higher than ever before!
Episode 3: DOWN[]
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[]
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[]
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[]
Upload Date: March 31, 2018
Radia goes into a dream-like state and has mermaid memories while being treated by Hillary.
Episode 7: STARDUST[]
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[]
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[]
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[]
Upload Date: June 2, 2018
Dolphins get tangled in ghost nets! Radia and hear their call for help.
Episode 3: GHOST NET[]
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[]
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[]
Upload Date: July 21, 2018
Mermaid Radia is suffering from the potion's effects! Mermaid Athena stands up to bullying.
Episode 6: TRAP[]
Upload Date: July 28, 2018
A glitch in the vortex dumps Radia in a golf course.
Episode 7: BACK[]
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[]
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[]
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[]
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[]
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[]
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[]
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[]
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[]
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[]
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[]
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[]
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[]
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[]
Upload Date:
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[]
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[]
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[]
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[]
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[]
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[]
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[]
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[]
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[]
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[]
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[]
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[]
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[]
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[]
Upload Date: April 4, 2020
A fairy casts a magic spell on Mermaid Radia to help lift her spirits!
Episode 3: DISCOVERY[]
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[]
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[]
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[]
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[]
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[]
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[]
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[]
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[]
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[]
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[]
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!
End of times? Could there be a way out?
Episode 7: THE GAUNTLET[]
Upload Date: Jul 17, 2021
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 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 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 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 Radia shares her new fear with Merman Apex. What is happening to her tail? Where is the place she is having a vision of?