- Perry White: Great Ceaser's ghost! Are you sure about this?
- Jimmy Olsen: Yes, sir. Superman's turned into a real di...
- Lois Lane: [cuts off Jimmy] Different person.
- Superman: Mr. Mxyzptlk!
- Mr. Mxyzptlk: Superman! And Batman! What fun!
- Batman: And I thought Bat-Mite was a weird one.
- Superman: Don't worry. I just need to trick him into saying his name backwards. Knock knock.
- Mr. Mxyzptlk: A joke? I love jokes! Who's there?
- Superman: Kltpzyxm.
- Mr. Mxyzptlk: Kltpzyxm who?
- Mr. Mxyzptlk: [realizes said his name backwards] Oh, nuts!
- [disappears]