The Giblet Boys: Werewolf (1995)

Summary: After discovering a shouting competition to win a mega-sensitive microphone, Scurvy, Kevin and Pud set to work practicing. Meanwhile, after banging his head, the dog is taken to the vet by Dad. At this extremely unusual veterinary clinic, Dad is bitten by a strange red-eyed monster. The vet, unperturbed by this, gives Dad a 'Hair Pill'. That night, a full moon is present. The 'Hair Pill' starts to take effect, and Dad begins howling in a very peculiar way - could it be a case of a werewolf bite?...