Mako Mermaids Discovery (2013– ) Online
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 effect on Zac. He has visions involving his connection to Mako Island so he goes there to investigate with the girls in tow. Cam looks after Evie while she is at work. Zac, Ondina, and Mimmi discover a Merman Chamber on the island. When Zac puts his hand over a podium of sorts, Ondina vanishes. After overhearing about Mako Island, Erik skips out on work to go explore it.
| Episode cast overview: | |||
 | Amy Ruffle | - | Sirena |
 | Isabel Durant | - | Ondina |
 | Allie Bertram | - | Mimmi |
 | Chai Hansen | - | Zac (as Chai Romruen) |
 | Gemma Forsyth | - | Evie |
 | Alex Cubis | - | Erik |
 | Dominic Deutscher | - | Cam |
 | Rowan Hills | - | David |
 | Kerith Atkinson | - | Rita |