Visible crew/equipment: When Zaphod says his first line "I certainly didn't survive.", you can see the person who plays his third arm standing behind him.
Big Brother - S1-E1
Continuity mistake: At the start of the episode when Del walks behind Grandad's chair, the way he is holding his jacket changes between shots. (00:01:15)
Visible crew/equipment: After Bill and Ralph leave the restaurant to pay Prentiss Hall a visit, when it cuts to Bill slowly driving past the camera, we can see the reflections of the reflector screens, and the cameraman with the camera. (00:26:20)