This is a tricky one alright. Careful!
5 seconds sound clip from the Batman (1966) TV series - Fine Feathered Finks (S1E3).
You can hear this line at 00:18:57 in the Blu-ray version of the movie.
Quote context
[...]
- Look up there, Batman! Hanging from the handle.
- I bet my life on it, Robin. This could be a clue to the Penguin's game.
- Easy. I'll use the bat-rope.
- You run around, grab the edge of this huge umbrella, study it.
- Roger.
- Careful, Batman. Easy does it.
- This is a tricky one alright. Careful!
- Look. There's a silver plaque on the handle.
- Special bat-brella. Compliments of K. G. Bird. Maker of superior umbrellas.
- It's a clue alright. But what does it mean?
- To the bat-cave. We'll analyze it.
[...]