Ah! Ol' man river with his levees and bayous, and all that Mark Twain jazz.
7 seconds sound clip from Snagglepuss - Cagey Lion (S1E6).
You can hear this line at 00:01:31.092 in the Blu-ray version of the episode.
Quote context
[...]
- As a friend of mine, Quick Draw McGraw says: Ooh, that smarts.
- The St. Louis Lou now sailin' for Natchez, Mobile, Chattanooga, and St. Louis.
- Heavens to Murgatroyd! A hacksaw, conveniently placed with which to hacksaw my way to freedom even.
- Ah! Ol' man river with his levees and bayous, and all that Mark Twain jazz.
- Pardon me, sir, but aren't you a li'l ol' lion?
- Madam, your perception is keen. I am a lion at your li'l ol' service.
- That's what I li'l ol' thought you were.
- Of course there's a lion aboard. He's caged.
- That's what you li'l ol' think. Look!
- Stone walls do not a prison make, nor iron bars a cage... if you happen to have a li'l ol' hacksaw.
[...]