Continuity mistake: When Richie gets up from a table at Arnold's to meet with the Fonz in the men's room he's wearing jeans. When he enters the men's room he's wearing grey slacks. (00:07:50)
J.J. Becomes a Man: Part 2 - S2-E3
Visible crew/equipment: At the police station, when Florida is begging James to borrow money from the loan shark, she and James stand up; Florida is on the left, James the right. At the top of Florida's head behind her, you can see the microphone dip into view overhead, and it moves quickly out of the frame. Then it's visible again as Florida and James walk toward the loan shark. (00:18:00 - 00:33:00)
A Good Clean Bust with Sequel Rights - S5-E6
Visible crew/equipment: While Falcone is with Seales, the reps from the consumer groups confront Falcone about his toys. When Seales says, "Our toys have a psychological counter-violent quality," in the next shot just as Seales starts to walk toward the reps, we can see the head of a crouching crew member moving in front of Falcone. (00:33:55)
Factual error: In the remastered DVD editions, on Doc Baker's wagon, you can see that the canvas wagon cover has a plastic window sewn into it.
Visible crew/equipment: Throughout this episode, Steve Austin's astronaut helmet visor is reflecting the camera crew, camera equipment, and lighting equipment.
Lightning Phantom: Sparker Dale/Inaduma kaijin pikaderu - S1-E15
Continuity mistake: When Polymar is hanging onto the iron fence, his left arm is wearing a white sleeve. However, in the next shot, it changes to red. (00:15:44)