Is the third episode of series 5
Nero is joins Clem's swimming club but he soon finds out he is well out of depth. Meanwhile, Dexter ends up in a sticky situation when he has to play a difficult recital at the bar after telling Lizzie, Nunn, Bell and Goodman to make it even worse Lizzie invites her Mum and Step-Dad to come see Dexter play but ends up falling asleep at the flat due to lack of sleep
Guest appearance Lizzie's mum and Lizzie's Step-Dad
It's revealed that Clem joins Swimming Club.