Weird Science - Season 5 Episode 4

Wyatt wants a good sturdy envelope for his application to Paxton University. So, Lisa zaps the envelope and makes in invincible. She tests it herself by blowing it up, setting it on fire, and allowing Chett to play with it. With all of the talk about college, Gary realizes that he hasn't applied anywhere. He begs Lisa and Wyatt to help him, but Lisa won't use any magic to get him into a school. However, after Gary talks about getting into college would mean to him, Lisa gives him a helmet that allows him to win the triathalon at Farber High. However, Gary finds fame after winning, and may not even bothering going to college since he's extremely popular and has many deals to endorse products.