I have great faith in our prison system, commissioner. Perhaps the Penguin's spell up the river has made him reform.

8 seconds sound clip from the Batman (1966) TV series - Fine Feathered Finks (S1E3).

You can hear this line at 00:06:54 in the Blu-ray version of the movie.

Quote context

[...]

- Beg pardon, Boy Wonder?

- Bam! A feint at the jewelry store. To set us up for the real knockout later on. Zowie!

- Robin could be right.

- Then again... I wonder if this whole affair might just have been a harmless practical joke.

- A joke, Batman?

- I have great faith in our prison system, commissioner. Perhaps the Penguin's spell up the river has made him reform.

- You're dreaming, Batman.

- It'll be a sad day for corkscrews when that crooked bird goes straight.

- Still. I'd like to know what his state of mind was when he left prison.

- Bonnie, send in Warden Crichton, will you?

[...]