Other mistake: In the beginning of the episode the Chem teacher tells the principal he can't take over for the other teacher's 5th period because that's his only free period but T.J. later on during the trial says Mo probably left his playbook during 5th period. (00:03:17 - 00:12:26)
Smart Guy (1997)
1 mistake in Trial and Error - chronological order
Starring: Essence Atkins, Tahj Mowry, Omar Gooding, Jason Weaver, John Marshall Jones
Floyd: You can be the smartest man in the world - and for all I know, you are - but you will never understand women.
Trivia: John Marshall Jones, who plays Yvette's father, Floyd Henderson, is only ten years older than Essence Atkins.
Question: How come no one believes TJ that he was the one who threw the party, not Marcus?
Answer: It's reckless and irresponsible and it's not something that he does normally. But, it is something that Marcus would do.