It's been more than 20 years since the original cast of Saved By The Bell walked the halls of Bayside High School. But on Wednesday the onscreen pals got together for a reunion on The Tonight Show Starring Jimmy Fallon, showing fans what they've been missing all these years. The passage of time has, of course, worked some changes on the actors who rose to international fame as teenagers. Scroll down for video Hooray! On Wednesday the cast of Saved By The Bell reunited for  on The Tonight Show Starring Jimmy Fallon, featuring a clearly pregnant Tiffani Thiessen, Elizabeth Berkley, Mario Lopez and Mark-Paul Gosselaar
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Saved By The Bell ran from 1989 to 1993
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Tonight Show reunion featured full cast except for Dustin Diamond and Lark Voorhies
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Diamond (Screech) currently facing criminal charges related to stabbing
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Voorhies (Lisa) reportedly battling bipolar disorder and is now a recluse
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Tiffani Thiessen expecting second child with husband Brady Smith
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Elizabeth Berkley recently competed on Dancing With The Stars
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Mario Lopez has moved on to become an Extra host
In one of the pictures he is seen posing beside @placeholder - who models spray-painted blonde hair.