Οι Γοργόνες του Μάκο Surprise! (2013– ) Online
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 any other day. Mimmi and Sirena explain to Ondina how birthdays and parties are for "land people." Mimmi makes Evie a waterlily perfume and Sirena made her a shell bracelet. Carly and Cam wish her a "happy birthday" at work. When Evie begins to feel like she's not special to Zac, since he seems to have forgotten her birthday, she decides to leave work early and go home. Carly has Mimmi keep her busy so that she doesn't go find out about the party. She takes her to Rita's house to give her the perfume and try to cheer her up. She lets her try on her moon ring and is called out of the room. Evie ends up shrinking herself and falling into the fish bowl Zac is giving to her for her birthday. When the girls come back into the room, they think Evie has left and head to the party with the fish bowl. Will someone discover Evie ...
| 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 |
 | Brooke Nichole Lee | - | Carly (as Brooke Lee) |
 | Steve Harman | - | Doug |
| Monte | - | Poseidon |