Zack pretends to be Jewish to skip school and attend the Dodgers game. Although in real life, Mark-Paul Gosselaar is of Jewish descent. Gosselaar's Jewish paternal great-grandparents, Hertog and Hester Gosselaar, were murdered at the Sobibor extermination camp during the Holocaust. Dustin Diamond was also Jewish, as is Elizabeth Berkley.
Eric's last name, Tramer, refers to "Saved by the Bell" producer Bennett Tramer. On top of that, Kelly says she has a brother named Bennett.