Visible crew/equipment: When everyone's back at the flat, as Del Boy is looking straight down the hallway to his and Rodney's bedroom, someone comes up to him and he turns around. When it goes from his close-up to the wide shot of everyone else the shadow of the camera reversing backwards is visible for a few seconds.
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.
The Greatest American Hero (1) - S1-E1
Visible crew/equipment: When Ralph walks into his classroom carrying the chair, in wide shots facing his students we can see several T-marks taped to the floor. (00:05:40)