A mere ruse, commissioner. A clever device to make you call me in.
6 seconds sound clip from Batman (1966) - Hi Diddle Riddle (S1E1) TV Series.
You can hear this line at 00:06:28 in the Blu-ray version of the movie.
Quote context
[...]
- Right, commissioner. There's a problem.
- We all know how this quizzical criminal operates. He deliberately leaves clues to confound us.
- Clues which may or may not lead to the real crime he's planning.
- A mere ruse, commissioner. A clever device to make you call me in.
- But why? Why would he want that? You're his deadly nemesis.
- The Riddler's mind is twisted. Crime's no fun for him unless it means outwitting us.
- He has this strange, artistic compulsion to... Artistic. That's it. The meaning of the first clue.
[...]