Zac Struggles to come to terms with the news that he's a real merman, adopted and has a new sister. ...

Sirena and Mimmi are training Evie outside when Cam approaches and ends up being splashed with Moon Pool water, which absorbs into his skin. He quickly finds out that he ...

Mimmi shows the girls that she can do a duplication spell with her Moon Ring. Erik finds a pearl while swimming that he gives to Ondina (he knew she liked them). Ondina s ...

Cam discovers a series of five outcrops on Mako reef that look a lot like the placement of the symbols on the pedestal in the Merman Chamber. He and Erik investigate one ...

Sirena stops Carly from showing David a video of a Canadian kayaker being lured by a mermaid's song. Sirena watches it (with earphones) after they leave to go study. Sire ...

It's Evie's birthday! Zac is throwing her a surprise party at her house with her father. In order for it to be a surprise, Zac thinks that he should act as though it's an ...

Rita and Mimmi visits Dr. Ross at the Marine Park. While they go off to do some paperwork, Mimmi takes a look around and meets a dolphin. A Marine Park worker named Chris ...

The girls discuss the upcoming full moon. Sirena wonders if she'll ever see her sister Aquata again if the pod moves north. Ondina stresses that they should prevent Zac f ...

Ondina and Erik discuss the pod coming back. She is optimistic that they will come to understand that mermen are not the enemy but Erik is not convinced. They discuss it ...

Mimmi is upset that Ondina has decided to stay on land. Cam takes Carly fishing near Mako Island for their first date. The boat's anchor gets stuck so they swim to Mako t ...

Cam tells Erik that the trident's stone glowed when mermaids were near. Erik then approaches Zac about finding the broken pieces of the trident. Zac goes to Sirena, Mimmi ...