A prime-time special previewing NBC's 1989-90 Saturday morning lineup, hosted by the cast members of NBC's "Saved by the Bell."
Mark-Paul Gosselaar
Zack Morris
John Candy
Himself
Dustin Diamond
Samuel 'Screech' Powers
Elizabeth Berkley
Jessie Spano
Ross Bagdasarian, Jr.
Alvin Seville (voice)
Paul Fusco
ALF (voice)