It's titled, How Snagglepuss the Lion-hearted met the Stormy Knight.
5 seconds sound clip from Snagglepuss - Knights and Daze (S1E10).
You can hear this line at 00:05:05.580 in the Blu-ray version of the episode.
Quote context
[...]
- Why doth the partridge cross the drawbridge?
- Let me in, and I'll tell ya. It's a dilly.
- By fog and smog, I got to know.
- Enter!
- Now, why doth the partridge cross the drawbridge?
- Who cares? I got a better story. Dramatic, even.
- It's titled, How Snagglepuss the Lion-hearted met the Stormy Knight.
- Then by cloudy skies, I challenge thee to a joust!
- Joust a minute, joust a minute. Joust, what is a joust?
- By thunder, tis not a cricket match.
- Yon screwball in ye side pocket.
[...]