It's what you didn't know about the cast of "Saved By The Bell."  Lifetime is readying "The Unauthorized Saved By The Bell Story" for Labor Day Monday.  The network is billing the TV movie as an exposé of sorts on the stars of the hit '90s teen sitcom and their lives on and off camera.  A fresh-faced cast of relative newcomers will play "Saved By The Bell" stars Mark Paul-Gosselaar, Dustin Diamond, Mario Lopez, Tiffani-Amber Thiessen, Elizabeth Berkley and Lark Voorhies.  "Saved By The Bell" ran from 1989 to 1993 on NBC and spawned the follow up series "Saved By The Bell: The College Years" and two TV movies.

"The Unauthorized Saved By The Bell Story" will premiere on Lifetime on September 1st at 9:00 pm Eastern.  It's the latest in a series of biopics in the works for Lifetime.  The network earlier announced plans for a TV movie on the late Whitney Houston to be directed by Angela Bassett and one on late singer Aaliyah, who will be played by Zendaya.