Corrected entry: When the Gang is going to Palm Springs over President's day weekend early in the series, Kelly and Donna tell Brenda she's the last virgin. This implies that Donna is not a virgin, however, after she starts dating David, all of a sudden she IS a virgin and wants to wait until she's married.
Beverly Hills, 90210 (1990)
1 corrected entry in show generally
Continuity mistake: When Dylan pulls up to the After Dark, a group of guys come over and ogle his car, but when Dylan enters the club, one of the guys outside is already at the bar. (00:11:15 - 00:11:50)
Emily Valentine: This isn't Beverly Hills! It's Knot's Landing.
More trivia for Beverly Hills, 90210
Question: Was Valerie Malone introduced this season to balance out Brenda's departure?
Chosen answer: Yes, she was.
Correction: Donna may not have wanted to seem 'uncool' by admitting that she's a virgin. It wasn't until she started dating David that it became an issue, and she had to make a stand against it.