Other mistake: When Gus and T.J. are talking on the bench, as Gus says, "No, at least not yet," his watch is missing from his wrist; then it appears mid-shot.
Bonky Fever - S4-E30
Other mistake: When T.J. goes to Miss Finster to tell her about Mikey's Bonky stuff, Miss Finster's waistband is yellow when it's supposed to be white. Then, when she takes the bag from T.J., it has changed to pink, then turns white and back to pink mid-shot. Her collar is also yellow in this shot, then turns white and back to yellow mid-shot as well.
Other mistake: When Spinelli's real parents arrive at Parents' Night, the shot is flipped: the potted plant and poster are on the opposite sides, the letter on the poster is mirrored, the door opens the opposite way, and Spinelli's parents are running in the wrong direction. (00:08:26)
Other mistake: When Mikey enters the dance class and Spinelli says, "Mikey?", the letters on the door to Mademoiselle's office are mirrored; the background is flipped in this shot.
Other mistake: When Spinelli's real parents arrive at Parents' Night, as Spinelli's mother tells Miss Grotke, "She just stopped wetting the bed this year," her necklace vanishes, then reappears mid-shot. (00:09:23)
Other mistake: At Parents' Night at the school, when Gretchen's parents walk into Miss Grotke's classroom, Gretchen's father clips through the door. (00:05:46)
Other mistake: At lunch, when the kid tells the gang that Spinelli's parents will be the first parents on the space shuttle, Gus's right elbow vanishes, then reappears mid-shot. (00:02:42)
Other mistake: When the Ashleys are first shown playing jacks, Ashley T's nose seems to be missing; then it reappears three shots later.
Other mistake: When Gretchen tells Mikey, "I'd be happy to help with matters of enunciation and syntax, of course," the soles of Gretchen's shoes are brown, as they should be, but then they turn white mid-shot. The next time we see Gretchen, they are brown again.
The Biggest Trouble Ever - S4-E13
Other mistake: When the court hearing is taking place, T.J. wears a tie with blue and red stripes. As T.J. says to the mayor, "Sorry, sir, may I say something?", the stripes on his tie change to the opposite color for one frame (not counting the stripes on the knot).
Other mistake: When the Ashleys are playing jacks, Ashley B is wearing her usual yellow sweater, but in the next shot, it becomes red, the wrong colour. It goes back to yellow in the next shot.
Other mistake: When the gang enters the Ashleys' Clubhouse and catches the Ashleys and Randall taking the treasure, Ashley B's skirt is incorrectly coloured green. A second later, it is yellow again as it should be.
Other mistake: When the gang walks out of the school and Spinelli says, "I can't believe Gus didn't even show up for school today," Gretchen's dress is incorrectly coloured green. Two shots later, it is blue again, as it should be.
The Spy Who Came In from the Playground - S4-E4
Other mistake: When the gang is showing stone their way into the school they go through a vent and all of them manage to squeeze through the small hole in the wall.
