‘Saved by the Bell’: Where Are They Now? After playing Principal Belding on 'Saved by the Bell: The New Class,' Dennis Haskins appeared in several series and TV movies. He most recently showed up on an episode of 'Mad Men' as Phil Beachum, and on 'New Girl' as a lecherous Santa Claus lookalike. He released 'Karaoke With Your Favorite Principal Dennis' in 2009. In 2014, 'Saved By the Bell' celebrated its 25th anniversary, having debuted on NBC on August 20, 1989, after it was rebooted from a failed Disney series titled 'Good Morning, Miss Bliss.' It was the subject of the Lifetime movie 'The Unauthorized Saved by the Bell Story,' which aired September 1, 2014. After Kelly Kapowski and Zack tied the knot in 1994, Tiffani Thiessen dropped the 'Amber' from her name and went on to appear in 'Beverly Hills, 90210,' 'Fastlane' and 'White Collar.' She did a Funny or Die sketch poking fun about why she doesn't have time for a 'Saved by the Bell' reunion. After reprising his role as Zack Morris on 'Saved by the Bell: The College Years' and 'Wedding in Las Vegas,' Mark-Paul Gosselaar appeared in 'NYPD Blue' and 'Raising the Bar.' In 2009, he appeared on 'Late Night with Jimmy Fallon' as Zack. He has starred on 'Franklin & Bash' and appeared in the series 'Don't Trust the B**** in Apartment 23.' We'll never forget the time Jessie Spano turned to caffeine pills to keep up with her schoolwork and extracurricular activities during Season 2. After playing the Bayside overachiever, Elizabeth Berkley appeared in 'Showgirls,' 'Any Given Sunday' and Broadway's 'Sly Fox.' Her 2011 book 'Ask Elizabeth' is touted as a 'guide to teen life.' After playing A.C. Slater, Mario Lopez appeared in 'Pacific Blue,' 'The Bold and the Beautiful' and 'Nip/Tuck.' He competed on Season 3 of 'Dancing with the Stars' and has hosted 'America's Best Dance Crew,' 'Extra' and 'The X Factor.' Dustin Diamond played Samuel 'Screech' Powers for more than a decade. After starring on 'Saved by the Bell: The New Class,' Diamond appeared on reality shows like 'Celebrity Fit Club' and 'Celebrity Boxing 2.' The stand-up comedian directed and starred in a 2006 sex tape, 'Screeched,' and released a book, 'Behind the Bell,' in 2009. In 2015 he was sentenced to 4 months in jail for an altercation at a Wisconsin bar where a man was stabbed. Lark Voorhies, who played Lisa Turtle, has said she was keeping busy with her new company, Yo Soy Productions. Her mom, Tricia, told People that the former child star has been diagnosed with bipolar disorder. However, the 'How High' actress insists she's just fine. 1 of 8