Continuity mistake: Near the end, Gus is standing between the two handball walls. He is looking back at TJ and Lawson, who are near the first wall. But as the camera pans out, TJ and Lawson have moved to the other handball wall.
Continuity mistake: When Spinelli arrives at school at the end, she holds her purse in her hand, but it disappears two shots later. It reappears when the gang starts to play tag.
Continuity mistake: When Spinelli and Pat Patterson sit on the bus bench, the text on the bench that says "Just Buy It" has a period at the end, but the period is missing in all the following shots.
Continuity mistake: When Pat Patterson tells Spinelli that they should have a seat on the bus bench, the bench is missing the word "Gumoflex" and the black gum logo that it had in a previous shot. They both reappear when Spinelli and Pat sit on the bench.
Continuity mistake: When Menlo tells the crew about Randall's joke book, he loosens his tie, and it's still loose when he says "Indeed." But half-a-second later, as he walks away, his tie is back to normal.
That Stinking Feeling - S3-E11
Continuity mistake: When Spinelli's father is first shown watching TV, there is no ring on his left hand, but one appears on his ring finger in the next shot. The ring then vanishes and reappears in the following shots. (00:03:32)
Continuity mistake: When the Diggers lift the treasure out of the hole, there is a lock on one side of it. Three shots later, the lock had moved to the opposite side of the treasure chest. The lock then vanishes and reappears in the following shots.
Continuity mistake: After Mikey pours dirt into the hole, he holds the bucket in his right hand, but it disappears in the next shot.
Continuity mistake: When Vince and Spinelli are talking in front of the bathroom doors, when Spinelli says, "How about you and me sneak out... just the two of us," the push plate is missing from the boys' bathroom door, then it reappears a shot later.
Continuity mistake: When the Diggers lift the treasure out of the hole, the handles on the sides of it are yellow. Then, when the kids start fighting over the treasure, the handles change to gray; then they are yellow again after Gretchen finishes reading the note.
Continuity mistake: After the scene of Vince and Spinelli talking in front of the bathroom doors, it cuts to kids leaving the school, and the doors are left open after they all leave. Two shots later, they are suddenly closed. Doorknobs also appear on the doors, which weren't there before.
Continuity mistake: After the scene of Vince and Spinelli talking in front of the bathroom doors, it cuts to kids leaving the school, and Gretchen has her backpack on. In the next shot, it vanishes.
Continuity mistake: When T.J. runs out of the school with the history book, the book is red, but it changes to blue in the next shot, then back to red.
Continuity mistake: When Miss Grotke gives T.J. an old copy of the history book, there are two kids sitting in the desks behind T.J., but they vanish two shots later.
Continuity mistake: At the start, the books that Miss Grotke gives to the class are red, but they all change to blue in the next shot.
Continuity mistake: When The Library Kid speaks for the first time, you see a shot of the gang, T.J's hat and hair colour are mixed up.
Continuity mistake: When Library Kid sees her kindergarten class, she's wearing a dress, but when she runs into the library, she's wearing a T-shirt and skirt.
Continuity mistake: The Library Kid says her classmates were savages. This is all well and good, except the kindergartners shown are the present day kindergartners.
