Continuity mistake: Nancy Donahue refers to her husband as "Joe." Throughout the remainder of the series, his name is Ron. (00:03:45)
Halloween VI: Tick Tock Death - S7-E6
Continuity mistake: Mike is holding and looking through Brick's Halloween bag when Brick wanders off to the next house and encounters Cindy. When he walks back to where Mike is, Brick is carrying the bag.
Factual error: Sue's birthday isn't actually on Leap Day as this birthday is her 15th (in season 4 she celebrates her Sweet 16) and Leap Day birthdays are multiples of 4. The closest leap day birthday in this sense would be her 16th.
Character mistake: When Sue and her opponent switch sides right before her opponent smashes her racket, the score in games is 5-1. In tennis, you only switch sides when the sum of games is an odd number (4-3, 5-2, 1-0) for example.
Other mistake: When Brick first goes to see Betty White in the library, she gives him until Walt Whitman's birthday (May 31st) to return the books. When he returns and realises he is still short 1 book, she gives him until Sir Arthur Conan Doyle's birthday which is May 22nd - before Whitman's birthday.
New Year's Revelations - S9-E11
Continuity mistake: Brad's socket and socket wrench change positions several times on Sue's bed as the scene cuts.
Continuity mistake: When Frankie gets her breakfast spilled on her shirt, it goes from a bit stained to really stained on its front.
New Year's Revelations - S9-E11
Continuity mistake: Frankie's hand changes position several times while eating the baloney rolls as the scene cuts from her front to over her left shoulder.
The Christmas Miracle - S9-E10
Continuity mistake: Frankie's arms are seen at her sides in the frontal views of her as she tries to convince Axel to go to church, but the views from her left rear shows her elbows bent, indicating crossed arms.
Continuity mistake: After Frankie empties the marshmallow bag, the bag moves around the kitchen counter as the shots change.
Adult Swim - S8-E20
Continuity mistake: As Sue and Brick splash around in the pool, Mike repeatedly changes position from facing them head on in the views of Sue and Brick, to angled away from them in the views of Mike draining the pool.
Adult Swim - S8-E20
Continuity mistake: When the neighborhood kids enter the Heck's yard, Mike turns towards them twice. When the kids leave, Mike turns to Sue and Brick twice and nods his head twice.
Bad Choices - S3-E6
Continuity mistake: Mike's pants are already wet when he goes to turn off the water.
Last Whiff of Summer: Part 1 - S4-E1
Continuity mistake: When Mike and Frankie come into the house early in the episode, Sue has her feet up on the coffee table. Her legs switch from left over right to right over left, depending on how close the camera is. (00:01:35)
Last Whiff of Summer: Part 1 - S4-E1
Continuity mistake: When her parents come in to the room, Sue has her feet up on the coffee table, with the left foot over the right. In the next shot, they're switched to right over left, then back again. (00:01:45)
The Christmas Miracle - S9-E10
Continuity mistake: As Mike tries to warm himself while in bed with Frankie, her blanket moves up to her chin then down repeatedly as the shots change.
The Christmas Miracle - S9-E10
Continuity mistake: When Mike and Mr. Donahue leave the party, Axel's right hand is holding on to the cookie tin. A quick shot later Mike and Donahue are passing behind Axel, and his right hand is now up by his mouth.
The Christmas Miracle - S9-E10
Continuity mistake: Frankie's purse instantly switches from her left arm to her right shoulder after she puts on her red coat.
The Christmas Miracle - S9-E10
Continuity mistake: Sean's hands go from clasped in his lap to crossed several times as Sue gives him a pep talk.
The Christmas Miracle - S9-E10
Continuity mistake: As Frankie explains her Christmas party plans to Mike, his arms are crossed. When he prods Frankie out of his way, he crosses his arms. When Frankie answers Brick's question, Mike crosses his arms again.
