Cleo and Kim are fighting like crazy and Cleo is pushed to breaking point. Then cousin Angela comes to stay and things just get worse. Cleo realises there are more challenging things than an annoying sister.
Under the effects of the full moon Rikki goes crazy, boiling dry everything. She runs away to Mako where she meets Zane and kisses him.
A rainy day traps the girls inside. In an effort to "play sick" the girls create a situation where their families become part of a dire medical emergency.
Christian's best mate Aaron comes to stay and reveals the truth about the robbery they committed. Later, Aaron uses Christian as an alibi forcing Christian to lie to the police, and to question whether old friends are necessarily good friends.
Mocking her friends' obsession with teen popstar Myles Kelly, Kat creates a video of herself dancing to one of his songs and then posts it on the internet. She is surprised when the record company invites her to dance in Myles's next video clip.
Jana's loyalties are tested when she discovers Segolia might be concealing evidence.
Jana's attempt to adapt to life in the city is thrown off course by a desperate call for help.
Alex takes guru Kuru to her class, but he doesn't fin there. So she (ab)uses magic to make him 'cool'.
When KIKI is moved to tears by AMBER's singing, AMBER makes an important discovery – Luminans can only experience emotions on Earth.
Dracula turns the Innkeeper into his shadow vampire, so he must obey his every wish. Alisa is struggling in school as her special power - love - is made fun of in class. On her own she remembers her mother who loved her very much but who left her for an important cause. Hindrik urges Alisa to keep the Spark a secret and try to fit in. A strange girl and a wolf sneak onto the ship.
Ondina sneaks Erik into the grotto to duplicate a pearl he gave her with magic she has learned from Mimmi. But Ondina accidentally turns Erik into a copy of Poseidon.
After Cam absorbs moon pool water, he's thrilled to discover that he has power over water, which gets him a place in the trials for the school swimming team.
Zac struggles to come to terms with the news that he's a real merman, that he's adopted and Mimmi is his sister. Mimmi refuses to give up on her newfound brother, but Zac rejects her.
A dolphin at Sea World will only eat from Cleo's hand and when she has to sneak out to feed him, everyone thinks she has a boyfriend.
Emma is put in charge of managing the juice bar. Miriam decides to cause trouble and cuts the power to the cool room, then is unwittingly frozen by Emma who uses her powers to fix the freezer. Will the girls be able to thaw Miriam out?
Cleo's dad plans an embarrassing surprise party for her birthday so she escapes to Mako Island. Zane and Lewis almost spot her there on their expedition to catch the sea monster.
When the mysterious old woman's boat and home is declared unseaworthy Emma invites her over to stay. Zane gets trapped on the sinking boat and Emma tries to save him.
When KIKI is moved to tears by AMBER's singing, AMBER makes an important discovery – Luminans can only experience emotions on Earth.
Dracula turns the Innkeeper into his shadow vampire, so he must obey his every wish. Alisa is struggling in school as her special power - love - is made fun of in class. On her own she remembers her mother who loved her very much but who left her for an important cause. Hindrik urges Alisa to keep the Spark a secret and try to fit in. A strange girl and a wolf sneak onto the ship.
Ondina sneaks Erik into the grotto to duplicate a pearl he gave her with magic she has learned from Mimmi. But Ondina accidentally turns Erik into a copy of Poseidon.