Saved by the Bell - Season 1 Episode 3 -

Screech is struck by lightning in a freak accident. As a result, Screech can see into the future. Zack and Slater begin to bet on things in the future; Zack uses Screech's ability to see into the future to give him the edge in the bets. Screech tries to predict the questions to a school test but proves unsuccessful in this endeavor.