Meanwhile, in another cave, a rat cav, dreary hideout of the sinister River Rats Gang currently in the employ of The Riddler.
11 seconds sound clip from Batman (1966) - A Riddle a Day Keeps the Riddler Away (S1E11) TV Series.
You can hear this line at 00:12:15 in the Blu-ray version of the movie.
Quote context
[...]
- What was it The Riddler said when he threw back the tiara?
- There's a royal riddle in this crown.
- Look up the address of the Royal Mushroom Club.
- There are some things we can do the good old-fashion way. Using the telephone book.
- What's this, River Rats? Munching cheese while there's work to be done?
- Sorry, Riddler, but we got hungry.
- You should have seen the look on Batman's face when I threw the tiara.
[...]