During a trip to Mako Island, Zac gets in touch with the water of the magic Moon Pool in a night of full Moon, gaining a merman tail and the power to manipulate water. Si ...

During a trip to Mako Island, Zac gets in touch with the water of the magic Moon Pool in a night of full Moon, gaining a merman tail and the power to manipulate water. Si ...

During a trip to Mako Island, Zac gets in touch with the water of the magic Moon Pool in a night of full Moon, gaining a merman tail and the power to manipulate water. Si ...

Zac struggles with the truth that he is a real merman, the parents that raised him aren't his real parents, and that Mimmi is his natural sister. He isolates himself from ...

Zac has dreams about Mako Island and the Merman Chamber which Mimmi has visions of. With the full moon approaching, Sirena and Mimmi decide to help Evie push through the ...

Sirena goes with David to pick up crayfish from his brother Joe for the Ocean Café. Joe will only give him small ones. When Sirena tells Mimmi, she decides to use her ...

Evie is going to write an article on the new marine biology elective at the high school. The program sponsor and director of the Marine Park (Dr. Ross) suggests a tour to ...

Evie's father Doug accidentally drops his sentimental watch overboard so, when no one is around, Evie goes in to retrieve it. Sirena helps David with a fish delivery to D ...

Ondina meets with the mermaid council to discuss Zac and Mako Island but she doesn't tell them about Erik and Evie. They give her until the next full moon to break Zac's ...

It's the first day of the new school year and Mimmi wants to know all about it. She follows Rita there and sits in on a science class where she makes quite an impression ...

Ondina wants to sever Zac's connection with Mako Island. Zac and Evie wish to stay indoors together to help each other the night of the full moon. Zac's father reminds Za ...

Evie wants Zac to work things out with Cam. Lifeguard Cam is left in charge of the beach... and Ned, the boss' son. Erik asks David about Zac and Cam's relationship. Sire ...

Evie discovers that her father Doug has decided to branch out with his tourist diving charter... to Mako Island. Erik asks Zac to hang out since they both know each other ...

Erik investigates Mako Island. Sirena shows Ondina and Mimmi how to fit in with land people and about social interaction. Cam tries to recruit Erik as a beach lifeguard. ...

Zac confronts the girls after he catches Ondina following him. Rita introduces herself to the new mermaids. Sirena uses her moon ring to simulate a full moon to test it's ...

Evie tries to adjust to her new situation. Sirena pressures Ondina and Mimmi to change Evie back. Mimmi quickly hatches a plan but it only results in Zac and Cam trying t ...

Ondina and Mimmi run away from the Pod to help Sirena take Zac's power. ...

Cam shows Nixie that he is hiding the trident in his school locker. Evie agrees to keep everyone's secret until after Zac is turned back into a normal human. Cam apologiz ...

Zac has a nightmare involving the trident and the Moon Pool. Cam apologizes to him and expresses his disappointment in Zac's locking it back up. Zac almost tells Evie his ...

Cam is angry with Zac for locking the trident back up. Rita invites Zac to come over for training with the girls. Nixie isn't happy when he arrives. She doesn't trust him ...

Zac enlists Cam's help in his search for the trident. Rita gives the girls a lesson in camouflage. A worried Lyla goes to check that the trident is still hidden and watch ...

Rita catches the girls looking through her mermaid phials and informs them that they are not ready to learn about them yet. When David goes to deliver Rita's fish order, ...

Zac tries to keep the trident hidden from the mermaids. Evie's article on Rita and the girls doesn't go over well, especially with David. Rita warns Zac about the dangers ...

The girls must get the trident out of Zac's possession. Meanwhile, Zac and Cam attempt to use it but can't seem to get it to do anything. Lyla keeps trying to warn Zac of ...

The Halloween costume party at the Ocean Café falls on a full moon. Zac and Cam make preparations to go for the trident. Zac tells the girls that he isn't going to Mak ...

Rita continues to train the girls (to control water, whatever form it takes). Zac finds a moon ring stuck in a rock on the ocean floor. He breaks it out and gives it to E ...

Rita continues to train the girls (this time, how to squeeze lemons from a distance using their fingers). David is holding auditions for a singer to join him in performin ...

Lyla is upset that they've lost Zac's trust. Rita confronts Zac on his dropping grades. Rita convinces the girls to restart their training since they never finished merma ...

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 th ...

Evie learns Zac is researching tridents while doing algebra homework together. Lyla tries to get Nixie and Sirena focused on keeping Zac from finding the trident. Rita wo ...

Sirena paints a shell for her sister Aquata and shows it to Lyla and Nixie. Nixie tells her she'll never see her again so she shouldn't bother. A despondent Nixie meets a ...

Lyla convinces Sirena to use her beautiful singing voice to enchant Zac to follow their orders and remove his powers. This backfires, however, when her voice enchants Dav ...