Continuity mistake: Sue says that she "matured" aka got her period, on Sept 21, but in the episode "Forced Family Fun", when they go camping and she gets it, they go before school starts, which is well before the end of September.
Continuity mistake: Axl and his friend chase Darren out of the house and into the snow, churning a path in the snow. However, in the overhead shots of all three boys, the churned snow path is not there, just undisturbed snow.
Continuity mistake: Nancy Donahue refers to her husband as "Joe." Throughout the remainder of the series, his name is Ron. (00:03:45)
Continuity mistake: As Frankie excoriates her family for not noticing she was not on the train, her purse switches from her left to right shoulder and back again.
Operation Infiltration - S6-E18
Continuity mistake: In Mike's brother's room, the street sign above the bed changes from Main Street to First Street, then back to Main Street.
Continuity mistake: While Mike is explaining to Frankie his inaction to help Frankie, the red blanket draped over Frankie's shoulder goes from being on her shoulder, to off, then back on between shots.
Continuity mistake: When Frankie is going crazy lying on the floor because of all of the stuff still in the house, objects move around as the camera shots get closer to her, look at the VHS tape on her left.
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.
Continuity mistake: As Sue is freaking out about the reviews, she makes a lot of eye contact with a customer. As she is doing this she makes a large orange soda. In the first angle, she takes out 2 cups to pour the soda in, but in the second shot when she puts it down, it's only one cup. (00:11:50)
Last Whiff of Summer: Part 1 - S4-E1
Continuity mistake: After Axl spills milk on himself, he goes from being wet to dry and back and forth in the rest of the scene.
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: While Axl's in Sue's dorm room when she's getting ready to leave, Sue puts one of the backpack straps over her shoulder, then in the following shots it goes back and forth between having only one or both straps over her shoulders.
Continuity mistake: When Frankie finds a shampoo bottle in the middle of the garbage, she puts it under her arm, and then it disappears.
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.
Stormy Moon - S5-E16
Continuity mistake: During dinner the number of slices and type of pizza changes from shot to shot. And it moves around the box as well.
