Visible crew/equipment: Series 19, "Pandamonium": When Paul and Barry are trying to find the panda, Barry (dressed in a panda costume) thinks he is looking at his own reflection. You can see the camera and cameraman reflected in the mirrors, and you can also see people watching the scene being filmed.
Chucklevision (1987)
Episode list - season 9
Starring: Barry Chuckle, Brian Patton, Jimmy Patton, Paul Chuckle
More mistakes in Chucklevision
Magnetic Distraction: Part 1 - S15-E5
Trivia: In the episode "Magnetic Distractions Part 1", when Paul and Barry are in the shop with all the TVs, and Barry keeps accidentally changing the channels, one of the channels he changes to has footage of the boys playing football from the episode "Football Heroes".