Continuity mistake: In 'The Grass...,' when Timmy is juggling a bear, the bear wrestler, and the lead carny, there is a close-up of the lead carny as he flies past the camera over and over, yet you never see the bear or the bear wrestler fly past the camera.
Continuity mistake: In the scene when the Sleep Fairy shrinks while talking to Timmy, he measures himself. The ruler says three inches. Then he shrinks down to two inches. The camera cuts to Timmy. Then it cuts back to the Sleep Fairy, who quickly discards the ruler. If you are fast enough, you'll notice that the ruler says he is three inches again.
Continuity mistake: Beddy Bye- In an early scene, Timmy's parents are watching "Up Late in Dimmsdale." In a later scene, when Timmy is featured on the show after they've run out of guests, the sign behind him is "Late Night in Dimmsdale" instead of "Up Late in Dimmsdale" like it was before.
Continuity mistake: At the beginning of Mighty Mom and Dyno Dad Meet the Crimson Chin, the Crimson Chin has defeated his foes and the bodies are laying everywhere in front of him. In the very next shot when he is talking to Timmy, all the foe's bodies have disappeared.
Continuity mistake: Chester is on the tree branch and we hear Timmy say, "This is a list of stuff I'll need for the party tonight." Then there is one poof, and Timmy's room is filled with stuff. In A Wish Too Far, Timmy says the thing about the list of stuff, and then he says the things on the list out loud one at a time, and each time Cosmo and Wanda poof in stuff.
Continuity mistake: In the episode "Odd Jobs", when Timmy's dad is a racecar driver he nears the finish line, his car explodes, and he goes flying, landing within inches of the finish line. However, at the next shot of the cars driving across the finish line, Timmy's dad is now lying a number of feet away.
Continuity mistake: In "Mighty Mom and Dyno Dad Meet the Crimson Chin" Cosmo states that the Crimson Chin comic book has been around since the 1920's, yet when all the Crimson Chins come to help there is no 20's Chin, it starts at the 30's.