I am in the process of selecting cat burglars for the greatest caper in crimedom's history.

9 seconds sound clip from Batman (1966) - Hot Off the Griddle (S2E3) TV Series.

You can hear this line at 00:08:52 in the Blu-ray version of the episode.

Quote context

[...]

- You are the créme de la créme of Gotham City's cat burglars.

- So why did we have to waste our time with those dumb robberies?

- Unh! Never question my motives.

- Suffice it to say that 12 men applied for this job. All the others washed out when they were caught by the law.

- You proved your mettle when you escaped unscathed.

- I am in the process of selecting cat burglars for the greatest caper in crimedom's history.

- So, what is it already?

- In due time... In due time.

- Speak.

- Catwoman, sweetheart. What's shaking, baby?

- Watch your language, knave. Remember, I'm a lady.

[...]