Tiffani Thiessen Too Busy for ‘Saved By the Bell’ Reunion Actress jokes about the reunion Mark-Paul Gosselaar spoke of on Jimmy Fallon. Wrap Staff July 29, 2009 @ 12:26 PM Share on Social Media Tiffani Thiessen is Busy from Tiffani Thiessen Read Next SAG-AFTRA Says It Hasn't Been Contacted About 'Tulsa King' Accusations, Is 'Here to Support With Guidance if Requested' Comments