The circus train was just pulling out of town, and the animals were settling down to sleep, all except one called Snagglepuss.
10 seconds sound clip from Snagglepuss - The Roaring Lion (S1E8).
You can hear this line at 00:00:57.685 in the Blu-ray version of the episode.
Quote context
[...]
- Ready!
- So they're tearing down old Pow University, huh? I'll never forget the year I was dean there.
- Whoa, it was very embarrassing.
- It all started over 30 years ago.
- Oh, would that I were free, unfettered and uncaged.
- To think that I, king of the jungle, should be so lowly treated.
- Besides, the food is abdominable.
- But hark, or is it herk? The cage door is open. Ajar, even.
- What a chintzy outfit. Can't even afford a lock. So exit stage left.
[...]