Season 1, Episode 13 - "Chokin' and Tokin'"
20 March, 2000
Lindsay smokes marijuana for the first time. Moments later, her father reminds her that she had promised to babysit for neighbors that night. Afraid to babysit by herself, she pleads her once-close friend Millie to babysit with her. Millie not only takes care of the child they are babysitting, but takes care of Lindsay while she anxiously deals with the effects of smoking pot. The geeks are embarrassed in front of their peers when Bill reveals their allergies and ailments to Ms. Foote. Not believing that Bill is actually deathly allergic to peanuts, Alan puts peanuts into Bill's sandwich. After eating one bite of the sandwich, Alan realizes that Bill was telling the truth and Bill is rushed to the hospital. This episode reveals why Alan bullies Sam, Neal, and Bill.

