'Saved by the Bell' Cast br Reunites for Dinner Mark-Paul Gosselaar, Mario Lopez, br Tiffani Thiessen and Elizabeth Berkley met up at br a French restaurant in Sherman Oaks, CA. Gosselaar took to Instagram to share a picture of the former castmates joined by their significant others. Mark-Paul Gosselaar, via Instagram Thiessen posted the same picture on her social media br account with the caption, "Friends forever," br a reference to a song by the Zack Attack. Lopez took to Instagram to br share a video of the fun they had br together that evening. Dustin Diamond and Lark Voorhies, br AKA Screech and Lisa Turtle, br were not in attendance. 'Save by the Bell' first br aired on August 20, 1989.