After Brian is arrested for drug possession he launches a campaign to legalize marijuana. Mayor Adam West passes the law and the whole town goes to pot. Brian then protests to re-ban marijuana and Mayor Adam West passes the law.
Tom and Diane: (both stoned) Here's Ollie Williams with the Blaccu-weather forecast. Tom: How's the weather look, Ollie? (cut to a stoned Ollie at a field) Ollie: (calmly) Not too bad. (cut back to Tom and Diane) Tom: Right on.