Deborah Coulls as Bev Sertori
Episodes 4
Catch of the Day
Rikki, Emma and Cleo discover that sea turtles are being captured by fishing nets. When Rikki and Emma attempt to rescue the turtles by cutting the nets, it causes the fisherman to think that there is a rogue shark roaming their ocean.
Read MoreSomething Fishy
Cleo's sister Kim finds her diary and thinks that Cleo and her friends are 'evil mermaids' and she plans to tell everyone. Meanwhile, Lewis goes to Mako Island to find out more about what happened to the girls.
Read MoreThe Siren Effect
The full moon gives Cleo a power to put guys in a 'trance' and she suddenly gets a rush of admirers.
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