That '70s Show - Season 4 Episode 23 -

After Red grossly insults Hyde trough a misunderstanding on his birthday, Kitty decides to throw him a real surprise party for his 18th, at neighbor Bob's place, but Steven seriously tries to make clear he doesn't want to celebrate the end of his youth, and maybe moving out. The kids think up a cool gift, and Kelso had the winning idea: a stolen street sign, but steeling it is hell even on his beloved van. Red enjoys pointing out to Hyde the cumbersome duties of manhood...