To think that I, king of the jungle, should be so lowly treated.

4 seconds sound clip from Snagglepuss - The Roaring Lion (S1E8).

You can hear this line at 00:01:13.262 in the Blu-ray version of the episode.

Quote context

[...]

- Can you imagine a graduating class without diplomas? Yep, 500 students with their hands out, and 500 missing diplomas.

- Whoa, it was very embarrassing.

- It all started over 30 years ago.

- The circus train was just pulling out of town, and the animals were settling down to sleep, all except one called Snagglepuss.

- 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.

- Ah, freedom at last. It calls for a majestic lion roar of joy, cheer even. Growl!

[...]