On the cover of PEOPLE's Sept. 9, 1991 issue: The cast of Beverly Hills, 90210, "TV's Hottest Teens." We flip through that issue with Tori Spelling and Jennie Garth — and then go deeper into the zipcode. From the seminal 1993 episode "Donna Martin graduates," to who sends the dirty memes on the cast's group text chain, to who's still a "Brenda" IRL, the best friends on-screen and off break down the cultural context of the greatest teen drama ever. Oh, and remember when every hot actor and actress had three names? Learn more about your ad choices. Visit megaphone.fm/adchoices