i notice discreprences between various sb titles;and even in some episodes of the same title;ergo i believe the exhistance of alternate sb universes. in one zak screech and liza are 15;live in indiana go the rfk middle school where mr belding is principal. in another universe zach slater kelliand screech are 19. in another: bayside has a student named tori;and kelly and jessi arent bayside students. in another jessee is a bayside cheerleader, another lisa is zacks girl