My Parents Are Aliens (1999) : 4x2

On Father's Day, Sophie gets upset that she has never received any Mother's Day gifts. Brian sets out to prove he is the World's Best Dad. Josh tries to gain the new video game "Gnomes Of Vengeance" from the new girl, Poppy Manning, but she will only give games to girls. Josh asks Lucy to get the game from Poppy for him. Lucy agrees on one condition – that Josh pays her £54.60. Mel is upset when Brian thinks she is a boy. The episode concludes with Sophie attempting to be more masculine by working out and Brian attempting to become more feminine by growing breasts.