Season 1, Episode 4 Leaping to Conclusions

First Aired: December 21, 1988

A student's refusal to dissect a frog in biology class sparks a controversy among her peers. Miss Bliss: Hayley Mills. Zack: Mark-Paul Gosselaar. Screech: Dustin Diamond. Kelly: Tiffani-Amber Thiessen. Slater: Mario Lopez.

Watch Now

Guest Cast

Next On TVSee all »

Cast & Details See all »

  • Premiered: August 20, 1989
  • Rating: TV-PG
  • Premise: Teens study, date and scheme at a California high school, where silly storylines didn't stop droves of kids from watching on Saturday mornings. The attractive cast included Mark-Paul Gosselaar as Zack, who comically addressed the camera (à la 'Dobie Gillis… (more)

Show More »

Watch This

Jeffrey Dean Morgan as Negan, <em style="">The Walking Dead</em>
The Walking Dead: Who Did Negan Kill? editors break down theories about what's coming up on The Walking Dead