Read my lips: Jessie's a man
Zack and Jessie go head-to-head in the race for student-body president for the chance to preside over the gang and 12 or so random extras. May the best man win!

“Oh give me a school, with a big swimming pool, and LI-brary crammed full of books”
Zack wants to be remembered as more than just a troublemaker, so he sabotages all the other contestants in the school-song competition. Call me crazy, but wouldn't that be the definition of "making trouble"?

Patterned Sweaters, Fake Hair, and Leafblowers: Senior Year at Bayside High
Zack's homework (which somehow gets sucked up by Slater's leafblower), Belding's fake hair and some yummy red punch are all casualties of Slater and Zack's battle over the completely mediocre new girl in school.