King Kai in “Unfinished Business”

[when Goku is going to try the instant transmission] I see...instant transmission. The Yardrat's trick. Ooh...I bet they taught you that while you were staying with them...didn't they? Didn't they? Didn't they? [while King Kai does the instant transmission quickly] You know, I always thought it had some handy uses. I could've taught you. But...you never asked me. Never asked. Ha.