Riddle me twice, Batman.
3 seconds sound clip from the Batman (1966) TV series - Smack in the Middle (S1E2).
You can hear this line at 00:04:49 in the Blu-ray version of the movie.
Quote context
[...]
- Robin, old chum. Where are you?
- Ho ho, ha ha. Remember me, old chum?
- Harm one hair of that boy's head...
- What kind of pins are used in soup?
- Right.
- What was Joan of Arc made of?
- That's where you'll find him. Happy hunting.
- Don't fall for it, Batman. It sounds too easy.
[...]