Related:

• Do you know how many musicians it takes to change a lightbulb?
  No, big daddy, but hum a few bars and I'll fake it....
• How many psychologists -- does it take to change a light bulb?
  How many do you think it takes?...
• Tourist: Do you know how many Welsh people it takes to change a light bulb?
  Welsh Choir: No, but you sing it and we'll hum the tune in moving harmony......
• How do you stop volcanos from erupting? Give them earth control pills.
• How many Scorpios -- does it take to change a light bulb?
  Why do you want to know? Are you a cop?...
• 0022 Do you know how many days old you are? -- from THE HACKER TEST
• Lisa: You can't afford this. How can you afford this?
  Bart: Ahh you've been all edgy and suspicious ever since I gave you those Pep Pills....
• You know I'm a sucker, baby. For what the cowgirls do.
• Homer: Hi, kids, how was Duff Gardens? Lisa: Can't talk, coming down.
  [takes some pills] -- Lisa under psychedelia, "Selma's Choice...