Deliberate mistake: When Howard enters Figgins' password to hack into his AOL account, Figgins' inbox is obviously visible behind the login box, which simply disappears once the password has been entered. In addition, look closely at the inbox and you'll see that not only is there no mail, they are actually in GMail (the logo has simply been edited out of the top corner).
Glee (2009)
1 deliberate mistake in season 2
Continuity mistake: In "Wheels," when Artie is singing 'Dancing By Myself' and doing tricks in his wheelchair, the wheels on the back of the chair that prevent him from falling backwards disappear and reappear, depending on whether or not he is performing a trick.
More quotes from Glee
Trivia: At various times throughout the show you may notice Chris Colfer has a large red scar on the left side of his neck running from about half way on the side to the back of his visible lower hairline. He had surgery when he was eight to remove an infected lymph gland. It is most noticeable when singing "I Wanna Hold Your Hand" in "Grilled Cheesus" (00:28:05-00:28:15) and numerous times "Candles" on "Original Songs" (00:28:10, 00:28:20, 00:28:55 & 00:29:05-Most Noticeable). (00:29:05)
Question: Who is the narrator for the previous episode montages?
Answer: According to IMDb.com, Ian Brennan, one of the "Glee" writers and producers, is listed as the uncredited narrator voice.
Michael Albert