Operation Zack

Operation Zack
season	3
number	5
Air date	September 28, 1991
Written by	[Writer name needed]
Directed by	[Director name needed]
Previous	The Game
Next	Fourth of July

Operation Zack is the fifth episode of season three of Saved by the Bell.

Summary

Zack sprains his knee before the big basketball game, and while in hospital learns that Lisa is a part-time candy-striper. However, he also learns that he will need surgery to repair his knee and worries that it may go wrong.

Cast

Main Cast Mark-Paul Gosselaar as Zack Morris Mario Lopez as A.C. Slater Dustin Diamond as Screech Powers Tiffani Thiessen as Kelly Kapowski Elizabeth Berkley as Jessie Spano Lark Voorhies as Lisa Turtle Dennis Haskins as Richard Belding

Guest Cast Susan Beaubian as Dr. Turtle

Trivia

• After Zack accidentally undergoes genital reassignment surgery, he pledges his life to living as a woman — this is never addressed again moving forward, however fans of the show lashed out against the positive portrayal of gender fluidity.