Real-life mermaids, Sirena, Nixie and Lyla are part of a mermaid pod, which lives in the waters of Mako Island. As young members of the pod, it is their job to protect the Moon Pool and guard it from trespassers. But on the night of a full moon, the mischievous mermaid girls neglect their duties. Sixteen-year-old land-dweller Zac enters the Moon Pool and forms a special connection with Mako. Zac is given a fish-like tail and amazing powers. The mermaid pod is forced to leave Mako, leaving behind the three mermaid girls, cast out of the pod. They know there's only one way they will be allowed to rejoin the pod: They must get legs, venture onto land and take back Zac's powers – or risk being outcasts forever.
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see all options Availability data: JustWatch
- Seasons
- 3
- Episodes aired
- 68
- Latest aired
- S03E16
- Total runtime
- 1d 3h
Timeline when each season aired
- Season 1 July 2013 – January 2014 26 episodes
- Season 2 February 2015 – August 2015 26 episodes
- Season 3 May 2016 – August 2016 16 episodes
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S01E01 Outcasts
July 26 · 24min find the promo
Show synopsis
It's a full moon and the three mermaids Nixie, Lyla and Sirena are tasked to guard Mako and the moon pool. While Zac and Cam go camping on Mako island. When Zac falls into the moon pool they don't know what to do and leave him on the beach. The next day Zac finds out what he is and what he can do so he tells Cam. Because the girls let the "land boy" as they call him in the moon pool they are being cast out by their pod. So they decide to fix the problem.
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S01E02 Getting Legs
August 2 · 25min find the promo
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Sirena, Lyla and Nixie must turn Zac back into a land boy. Using Sirena's Moon Ring, they give themselves legs and walk on land to begin their task.
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S01E03 Meeting Rita
August 9 · 24min find the promo
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In trying to get the Moon Ring back, the mermaids uncover Rita's secret.
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S01E04 Lyla Alone
August 16 · 24min find the promo
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Nixie and Sirena won't help Lyla try to "zap" Zac's powers, so Lyla decides to do it alone. This misfires when a waitress spills a drink on Lyla and Lyla rushes to hide in the refrigeration room before she transforms into a mermaid! When she can't dry her tail, Nixie and Sirena must save her before she is discovered!
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S01E05 Blizzard
August 23 · 24min find the promo
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Lyla and Sirena attempt to use the Moon Ring to stop the rain, but instead make it snow indoors.
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S01E06 Dolphin Tale
August 30 · 24min find the promo
Show synopsis
Joe, David's brother has bought a new boat and decides to take it out for a spin. His fish finder locates a dolphin, but that dolphin is actually Nixie.
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S01E07 Zac's Pool Party
September 6 · 24min find the promo
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Zac's struggle with his merman secret intensifies when his girlfriend, Evie decides to throw him a pool party.
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S01E08 Zac's Return to Mako
September 13 · 24min find the promo
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It's a full moon and the mermaids think that if they keep Zac out of the moonlight, he will lose his powers and return to his land-dwelling self. They stay with him in his garage on the full moon and attempt to keep him indoors.
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S01E09 The Siren
September 20 · 25min find the promo
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While listening to Sirena sing, Lyla has an idea. If Sirena sings The Enchantment Song to Zac, he will fall under her spell. Everything goes south when David hears the song and falls in love with Nixie.
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S01E10 Zac Returns to Mako
September 27 · 24min find the promo
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Against Nixie and Sirena's advice, Lyla goes with Zac to Mako Island. She steals Rita's Moon Ring to open the land entrance on Mako. But when the entrance suddenly closes, Zac and Lyla are trapped inside.
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S01E11 I Don't Believe in Mermaids
October 4 · 24min find the promo
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The girls fear their pod will never return. A despondent Nixie gives "advice" to a young boy named Ben. Zac researches tridents online and Cam snoops. Rita tells Lyla and Sirena about the trident and a pod of mermen that rose up eons ago.
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S01E12 Close Call
October 11 · 24min find the promo
Show synopsis
Zac continues to try to find the trident. Lyla focuses on keeping him from it. Rita won't keep giving the girls money so Sirena makes bracelets for the Café to sell. While Sirena gathers shell for them, Zac catches a glimpse of her tail.
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S01E13 Betrayal
October 18 · 24min find the promo
Show synopsis
Rita and the girls worry about the upcoming full moon's effect on Zac. Nixie thinks they should let Zac find the trident so they can take it from him and hide it. Lyla thinks they should come clean with him so he'll in hopes that he'll understand and stay away from it. While Lyla warns Zac to keep away from Mako Island during the full moon, Evie sees them holding hands and breaks up with him. Cam discovers that the girls know Zac's secret but feels uneasy about them helping him. Under the light of the full moon, Zac goes after the trident with the girls close behind.
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S01E14 Battlelines
October 25 · 24min find the promo
Show synopsis
Zac starts to wonder why their principle, Rita, is helping Lyla, Nixie, and Sirena.
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S01E15 Sirena's Secret
November 1 · 24min find the promo
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David and Sirena's relationship continues to grow, while Nixie and Lyla are worried she won't want to return to the sea.
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S01E16 Truce
November 8 · 24min find the promo
Show synopsis
Cam gets a new phone and films Zac swimming.
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S01E17 Moon Ring 2
November 15 · 24min find the promo
Show synopsis
After finding a Moon Ring on the sea floor, Zac gives it to Evie. Now, the mermaids must get it back.
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S01E18 The Trident Job
November 22 · 24min find the promo
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Zac is being watched by the mermaids, but with Cam's help he evades them.
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S01E19 Where's the On Button
November 29 · 25min find the promo
Show synopsis
After acquiring the Trident, Zac doesn't know how to turn it on.
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S01E20 Nowhere to Hide
December 6 · 24min find the promo
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Zac must find a place to hide the Trident from the Mermaids.
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S01E21 Aquata Returns
December 13 · 25min find the promo
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Aquata returns saying Sirena can come back to the pod, but Lyla and Nixie can't.
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S01E22 Evie Times Two
December 15 · 25min find the promo
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Rita's cat is turned into a human after walking through a bunch of mermaid powders.
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S01E23 Zac's Choice
December 22 · 24min find the promo
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Zac leads Lyla to the Trident; they fight for control of it and Lyla is knocked unconscious.
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S01E24 Trust
December 29 · 24min find the promo
Show synopsis
Lyla teaches Zac about mer history and the ocean but Nixie doesn't trust him.
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S01E25 Betrayed
January 5 · 25min find the promo
Show synopsis
Nixie agrees to help Cam unlock the Trident, but Evie wants to come along.
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S01E26 Decision Time
January 12 · 24min find the promo
Show synopsis
Cam betrays Nixie after planning to become a merman and rule Mako.