Slater's Sister

Slater's Sister is the sixteenth episode of season four of Saved by the Bell.

Summary
Zack falls for Slater's long lost sister, but when Slater finds out he tries to break them up. Screech attempts suicide by drowning, but fails. The gang, unaware of screech trying to commit suicide, describe his hygiene and hair as "an improvement".

Main Cast

 * Mark-Paul Gosselaar as Zack Morris
 * Mario Lopez as A.C. Slater
 * Dustin Diamond as Screech Powers
 * Lark Voorhies as Lisa Turtle
 * Leanna Creel as Tori Scott
 * Dennis Haskins as Richard Belding

Guest Cast

 * Rana Haugen as J.B. Slater
 * Troy Fromin as Ox
 * Bridgette Wilson-Sampras as Ginger

Notes and Trivia

 * This is the only appearance of Slater's sister J.B.