Slater (Mario Lopez) battles with his feelings when he is challenged to take part in a protest. With Mark-Paul Gosselaar.
Zack and Slater (Mark-Paul Gosselaar, Mario Lopez) are invited to join the Sigma Alpha fraternity. With Dustin Diamond.
The university's most famous alumnus (Charles Grant) makes advances toward Kelly (Tiffani-Amber Thiessen). Guest stars: Gloria Loring, Ed Winter.