Oh, well, the St. Louis Zoo will have to accept my IOU for one lion.
6 seconds sound clip from Snagglepuss - Cagey Lion (S1E6).
You can hear this line at 00:03:23.520 in the Blu-ray version of the episode.
Quote context
[...]
- What do you know? It was only stuck.
- Don't tell me your troubles. Exit, stage left!
- Now, where did that fool lion go?
- Lion overboard! Goin' down for the third and last time!
- Oh, well, the St. Louis Zoo will have to accept my IOU for one lion.
- Pardon me, captain sir. I'm Memphis Mortimer, the riverboat gambler.
- This is the river, this is a boat, but where's the game?
- In the gamblin' salon, Mr. Memphis Mortimer sir.
- That Memphis Mortimer is the luckiest gambler on the Mississippi.
- I know. I know. He cleaned me out.
- I got a full house. Kings high, sir.
- And I have five aces, and a full house, kings high, sir.
- Except for a little egg on your vest, it sure does.
[...]