Operation Zack

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.

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

Quotes
"Well, Zack, now that you're gone we're retiring your jersey. No one will ever wear your number again at Bayside. See you around, pal."

- A.C. Slater in Zack's "funeral"