Johnny Depp often wore a tube sock in his pants as a joke during the filming of this show.
Officer Judy Hoffs:
How many times have you seen this?
Off. Tom Hanson #2: 122 times... but I don't watch the whole tape. I watch 3.3 seconds. 3.3 seconds that slipped through my fingers. 3.3 seconds where I could've done a thousand different things. But I didn't move. Do you know how many...
Throughout out the series, it's clear that the actors/actresses portraying teenagers are actually in their 20s+. This is done as to not interfere with the schooling of real teenagers and to give the general viewing audience who are teenagers themselves someone they can look up to.
In its original broadcast the word "Suck" was dubbed with "Stink" or "Spit". Its DVD release has kept this audio track