Revealing mistake: When Cory and Shawn are holding band auditions, if you watch the guy that is shredding on guitar, you can see that although he is moving his fingers all over the fret board, his picking hand remains motionless, showing that he isn't actually playing and the sound was added in post production.
Boy Meets World (1993)
1 revealing mistake in season 2 - chronological order
Starring: William Daniels, Rider Strong, Ben Savage, Betsy Randle
A Long Walk To Pittsburgh (2) - S4-E17
Character mistake: In this episode Cory says that Topanga gave him his first kiss at age 13, but their first kiss actually happened when they were 11, in the 6th grade. (Season 1 - Episode 7 Cory's Alternative Friends).
More quotes from Boy Meets World
Trivia: In this episode, Julius Carry plays Professor Michaels. In later episodes, Julius Carry plays Sergeant Moore, Angela's father.
Question: Topanga said in one episode that she has a weird middle name, did she ever say what it is?
Answer: Topanga's middle name is never specified. Considering her sister's name is Nebula Stop-the-war Lawrence, Topanga's is probably something equally unusual.