Heavens to Murgatroyd! I've painted myself into a corner.
4 seconds sound clip from Snagglepuss - Legal Eagle Lion (S2E4).
You can hear this line at 00:06:52.395 in the Blu-ray version of the episode.
Quote context
[...]
- Now, where were we? Where were we?
- We were tryin' Fowler Means for bank robbery.
- He can't. You just let him go! Thanks!
- Guilty!
- I deserve it. I sentence myself to 99 years.
- Heavens to Murgatroyd! I've painted myself into a corner.
- Exit, fugitive from justice, stage left!
- Can anybody recommend a cheap lawyer? Free even.
[...]