Chai Hansen as Zac Blakely
Episodes 68
Outcasts
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.
Read MoreGetting Legs
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.
Read MoreMeeting Rita
In trying to get the Moon Ring back, the mermaids uncover Rita's secret.
Read MoreLyla Alone
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!
Read MoreDolphin Tale
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.
Read MoreZac's Pool Party
Zac's struggle with his merman secret intensifies when his girlfriend, Evie decides to throw him a pool party.
Read MoreZac's Return to Mako
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.
Read MoreZac Returns to Mako
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.
Read MoreI Don't Believe in Mermaids
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.
Read MoreClose Call
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.
Read MoreBetrayal
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.
Read MoreBattlelines
Zac starts to wonder why their principle, Rita, is helping Lyla, Nixie, and Sirena.
Read MoreSirena's Secret
David and Sirena's relationship continues to grow, while Nixie and Lyla are worried she won't want to return to the sea.
Read MoreMoon Ring 2
After finding a Moon Ring on the sea floor, Zac gives it to Evie. Now, the mermaids must get it back.
Read MoreThe Trident Job
Zac is being watched by the mermaids, but with Cam's help he evades them.
Read MoreWhere's the On Button
After acquiring the Trident, Zac doesn't know how to turn it on.
Read MoreNowhere to Hide
Zac must find a place to hide the Trident from the Mermaids.
Read MoreAquata Returns
Aquata returns saying Sirena can come back to the pod, but Lyla and Nixie can't.
Read MoreEvie Times Two
Rita's cat is turned into a human after walking through a bunch of mermaid powders.
Read MoreZac's Choice
Zac leads Lyla to the Trident; they fight for control of it and Lyla is knocked unconscious.
Read MoreDecision Time
Cam betrays Nixie after planning to become a merman and rule Mako.
Read MoreThe Seventh Cycle
When the pod decides Zac is a threat and must give up his merman powers, two new mermaids, Mimmi and Ondina, are sent to make sure he obeys.
Read MoreSticky Situation
With Evie now a mermaid, Mimmi and Ondina try a dangerous spell to change her back to a human form, but the results are less than ideal.
Read MoreA New Tail
Erik's curiosity about the girls and Mako Island becomes a problem when he decides to investigate further.
Read MoreBad For Business
When Evie's dad decides to take tourists on dive charters to Mako Island, the gang must find a way to change his mind.
Read MoreStormy Seas
Sirena gives Evie mermaid lessons, which rubs Ondina the wrong way, while Erik tries to get to the bottom of Zac and Cam's falling out.
Read MoreLand School
When Mimmi goes to the first day of the new school year, things get out of hand fast when she runs afoul of the science teacher.
Read MoreKeeping The Secret
When David sees Evie in the water as a mermaid, it puts Zac and the girls' secret at risk unless they can convince David he's wrong.
Read MoreOnly As Young As You Feel
Ondina adds too much jellyfish extract to Mimmi's body lotion, and the results put Principal Santos in dangerous waters at the marine park.
Read MoreSupersized
When Mimmi loses her moon ring in the Ocean Café's cooler room, it creates havoc for David and his brother's business.
Read MoreCareful What You Wish For
After Cam absorbs moon pool water, he discovers he has power over water, which gets him a place in the trials for the school swim team.
Read MoreFirst Date
Ondina sneaks Erik into the grotto to duplicate a pearl he gave her, but she accidentally turns him into a copy of Poseidon.
Read MoreThe Merman Code
When Erik dives down and touches one of the rock outcrops on Mako reef, he's transported into a sphere of endless water with no way out.
Read MoreNew Orders
On the night of the full moon, Zac and Ondina sneak away to Mako, and Ondina reveals her plan to destroy the chamber.
Read MoreThe Last Dance
Ondina doesn't want to choose between Erik and the pod when the pod returns. To cheer her up, Erik decides to throw a party in the café.
Read MoreStay or Go
At the marine park, Ondina and Mimmi get into trouble when a dolphin splashes them and a little girl sees them transform into mermaids.
Read MoreThe Truth About Evie
When Evie comes down with a fever that causes the temperature in the room to soar, Carly suspects that her friend is keeping a secret from her.
Read MoreThe Trident Stone
When Erik learns that the trident stone is the missing element needed to activate the merman chamber, Zac gives it to the mermaids for safekeeping.
Read MoreThe Chosen One
The chamber's true purpose is revealed: to drain the magic from all mermaids. Zac risks his life to shut it down and restore the mermaids' magic.
Read MoreA Visit from the East
Ondina is tasked with teaching the younger mermaids. A mermaid from China joins the pod. During a full moon ceremony, a terrifying beast emerges.
Read MoreSeeing Is Believing
When marine park workers are sent to investigate the reported sea monster, the mermaids must create a credible explanation to stop further inquiries.
Read MoreRecipe for Success
Weilan casts a knowledge transference spell on Zac to help him pass a biology test. But more than just science facts transfer from her body to his!
Read MoreMopping Up
When Evie tries using her new moon ring to magically finish her chores, things quickly get out of control. Joe makes an upsetting announcement.
Read MoreThe Puzzle Box
Weilan comes up with the idea of using a Chinese puzzle box to trap the sea dragon. Cam panics when Carly suggests they take dance lessons.
Read MoreNew Beginnings
Evie's moon ring lesson with Ondina takes an unexpected turn. At the marine park, Mimmi discovers the reason for a rescued dolphin's distress.
Read MoreTurning the Tide
Zac begs Weilan to teach him an Eastern spell few have mastered, which he hopes to use against the dragon. Joe encounters a water ball.
Read MoreThe Way of the Dragon
On the eve of the full moon, Ondina and Mimmi defy Veridia's orders. Evie becomes suspicious when she spots Zac and Weilan meeting in secret again.
Read MoreReversal of Fortune
After overhearing Ondina blaming her for Evie's loss, Weilan runs off. Meanwhile, Mimmi and Ondina combine their powers to try to restore Evie.
Read MoreWishful Thinking
Zac realizes a shell he found has magical powers, and he accidentally sends the mermaids back in time five years, where they meet his younger self.
Read MoreLost and Found
While Ondina teaches the little mermaids to walk on land, her fastest-learning student wanders off and soon runs into Chris and Karl on the beach.
Read MoreTrust Issues
When Mimmi and Chris go on a date at the beach, Ondina goes to great lengths to protect her. Cam tries to lure more upscale customers to the cafe.
Read MoreLetting Go
Mimmi and Zac are startled by a mysterious yet strangely familiar vision. Cam's dual role as Carly's boss and boyfriend becomes difficult to manage.
Read MoreAge Before Beauty
Weilan mistakenly makes tea for Rita using a magic growth accelerator. Can the mermaids cure Rita before Mrs. Trumble takes over her principal job?
Read MoreThe Legend of Jiao Long
A priceless artifact recovered by a deep-sea treasure hunter provides a clue as to how the mermaids can defeat the water dragon.
Read MoreHomecoming
The vision reappears to Mimi and Zac, this time speaking to them. Weilan learns a new detail about the dragon legend that suggests Nerissa is alive.
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