The Lady and the Tiger and the Lawyer - S3-E16
Continuity mistake: Donna goes back to the den to get her coat to show Arthur. Laura yells at Rob in the kitchen "Rob! Did you lock her in the Bathroom!?" It's a den in most of the episodes... Turns out in this episode it turns into a bathroom with carpet on the floor. (Supposedly when Laura is yelling at Rob in the kitchen).
The Sick Boy and the Sitter - S1-E1
Continuity mistake: The door in the kitchen is wide open in one scene and then the next time Laura and Rob go back into the kitchen the door is closed. (00:07:00 - 00:08:30)
When a Bowling Pin Talks, Listen - S2-E32
Continuity mistake: Buddy poked the punching bag with Mel's face on it. Then later Mel comes in when the delivery service guy comes. Mel's face is aiming towards the wall. His face on the punching bag keeps appearing and disappearing every time we jump cut from the writers and the delivery guy.
Continuity mistake: When Richie asks Laura and Rob "Is dinner ready?" the door behind him is closed. Laura tells Richie "Yes, it's ready." We get back to Richie as he yells and the door is cracked open. Then when we see the wide shot of Richie, Laura and Rob the door is closed again.
Continuity mistake: The guy yelling about asking to see people that work in the office building in this episode gets told several times "no they aren't in". He sprints away from the desk with briefcase in hand, he's past Rob on the other side of the room. When they cut back to the lady you still see the guy's music transcripts and his brief case on the lady's desk still in his hand. (00:21:17)
Continuity mistake: Laura's parents aren't the same parents she had in "What's In a Middle Name" - different names & completely different actors.
Honeymoons Are for the Lucky - S3-E22
Continuity mistake: In this episode and "Will You Two Be My Wife?" the captain's offices are completely different and the captains are also not the same.
The Sick Boy and the Sitter - S1-E1
Continuity mistake: The kitchen walls are completely different than the rest of the episodes. Also, there is no way to look into the living room from the kitchen at the sink. (They fixed that in episode 2 though).
The Sick Boy and the Sitter - S1-E1
Continuity mistake: The whole kitchen is completely different from episode 2 onward till the end of the series. (Episode 2 onward it looks the same except for the outside behind the sliding glass door but the background is also flat. The house(s) and trees are flat, there are also no birds out there making any noise).
Continuity mistake: When Rob is trying to draw the horse and accidentally draws on the wall, the drawing changes depending on the shot.
The Ghost of A. Chantz - S4-E3
Continuity mistake: When Rob and Buddy are talking after arriving at the cabin and discussing the lack of wood that should be there for 3 years, a white birch like log on the very top of the pile inside the fireplace. The camera cuts to Buddy saying something about the ghost burning it, and when the camera cuts back to Rob the white birch like log is missing from the fireplace. Then when we see Rob making the pull out bed the log reappears back on top of the wood pile in the fireplace.
Continuity mistake: Every 4 episodes the table in the living room changes completely, one episode it's a huge oval table, in another it's a medium-sized round table, in another episode it turns into a very small round table, some times it's even a large egg shape.
Continuity mistake: Rob is in the garage on his motorcycle. We notice the door to the garage leads out to the back/side yard towards the house, but in "Long Night's Journey into Day" the door to the garage is connected to the house from the kitchen.
A Vigilante Ripped My Sports Coat - S4-E5
Continuity mistake: Right before Rob starts the story to Sally and Buddy about how Jerry ripped Rob's sports coat, the box is on the floor. When we cut back to Rob, Buddy and Sally later on. The box isn't even in the room anymore. Then later on when Mel comes to pick up the box, it's back on the floor again.
Continuity mistake: When we first see Richie at the beginning of the episode he has extremely dark "bruises" all over his hands, arms and face. But by the end of this episode all the bruises are gone except for 1 which is on his face below his left eye (on our right). Bruises do not just vanish in 2 or 3 days if they are that bad.
Continuity mistake: Laura is reading the name of Rob's book "Unimportant Life of Robert F. Petrie" yet in "Fifty-Two, Forty-Five or Work" Rob said his name was "Robert Simpson Petrie"
Continuity mistake: In this episode we do not see a garage door. Yet in the "Long Night's Journey into Day" episode the garage door would have been right where all the tools and junk were on Rob's right (close to where Richie was standing talking to Rob).
The Blonde-Haired Brunette - S1-E2
Continuity mistake: In "Sick boy and the Sitter" the door to the writers room says "Allen Brady Show WRITING STAFF" in a nice 3D all bold caps type font (except for the 1st "N"). In this episode the door then says "Alan Beady Show STAFF WRITERS" also all caps, not bold, and not 3D type font.
The Sick Boy and the Sitter - S1-E1
Continuity mistake: In the 1st episode there are about 20 pictures behind the writers desk. Next episode... Gone, replaced with a giant bookshelf and a bunch of scripts. The bookshelf was behind the couch in the 1st episode.
Suggested correction: So they got a new bookshelf between episodes. Or they moved it from another, unseen part of the room.
I fixed it.