- Think harder. Remember what she told us about Aunt Harriet's plight.
- Suspended in a straitjacket over a...

10 seconds sound clip from Batman (1966) - A Death Worse Than Fate (S1E10) TV Series.

You can hear this line at 00:11:54 in the Blu-ray version of the movie.

Quote context

[...]

- Atomic batteries to power. Turbines to speed.

- Gosh, Batman, I'm stumped. Who the heck is the crook?

- Think over the clues.

- A female magician.

- So what use is that?

- Like we found in the files, there are 27 female magicians licensed to practice in Gotham City.

- Think harder. Remember what she told us about Aunt Harriet's plight.

- Suspended in a straitjacket over a...

- Holy birthday cake!

- My last birthday, you took me to see her. We even met her backstage.

- Zelda the great!

- Sure, I remember. That straitjacket escape was her big gimmick.

[...]