Lesson number the two.
2 seconds sound clip from Snagglepuss - Paws for Applause (S1E9).
You can hear this line at 00:01:19.431 in the Blu-ray version of the episode.
Quote context
[...]
- Ah! Could be my book on acting arriveth at last.
- Oh, be still, my fluttering heart. Patience, patience while I unwrap the cover lid.
- And here it is, in all its pristine you-know-what.
- How to be a TV actor. And here is lesson number the one.
- Hello, up there. It's Yogi Bear. Hey hey hey!
- But, Quicksdraw, don' you thin'?
- I'll do the thinnin' around here, and don't you forget it!
- I'm doin' so good. I'd better get me an agent.
- Why haven't you finished those 22 pictures, Dimwitty? You've had three days.
- I know, P.J., but I asked for one measly lion, and look what the casting department sent me.
[...]