Joe is astounded by the threat and is at a loss to understand why Alf wants to fight him. When Alf informs him that Frank is Christine's boyfriend, Joe laughs and Alf goes for him. Len and Jerry arrive and break up the altercation. Len tells them they need their bumps feeling for fighting over a girl. Ena invites Albert round to No.5 to watch the second-hand television that Jed's installed there. (thetvdb.com)