She's a master illusionist. She projected a false image with those tiny mirrors in her hat.
8 seconds sound clip from Batman (1966) - Zelda the Great (S1E9) TV Series.
You can hear this line at 00:22:24 in the Blu-ray version of the movie.
Quote context
[...]
- Look. The old lady in black.
- Oh! It's amazing. It looks almost real, doesn't it?
- What?
- Holy hole in a doughnut! What happened?
- She's a master illusionist. She projected a false image with those tiny mirrors in her hat.
- And so are all my customers.
- Officer Clancy, alert the entire force. Unwrap the Batmobile.
- Batman, look, in the gutter. Fake emerald with our homing transmitter. She threw it away.
[...]