Season 3: Episode 35: The Last Dance
Kelly gets a new job at the Max, and her new boss, Jeff, has the hots for Kelly. Zacks can't control his jealosy when he continues to see Kelly and Jeff flirt at work. Meanwhile, Bayside's Costume Ball is coming up, and Zack and Kelly were planning on going as Romeo and Juliet. Hopefully, Zack doesn't let Jeff get in between his and Kelly's relationship.