King Kai and Goku in “Unfinished Business”

[through telepathic conversation] Goku! This is King Kai! Can you hear me? Goku, please answer me! This is King Kai calling. Now look, I know you can hear me, Goku! You're just like all the others! You learn what I have to teach you and then you forget about the teacher! If you don't answer me, I'm going to start telling jokes, and I've got a million of 'em! Okay then, here goes. What did the penguin say to the astronaut?

Alright, alright. I'm here King Kai. What is it?

Goku, why aren't you attacking Frieza? He's about to reach his maximum! This could be your last chance!

I want him to reach his maximum! I wanna fight him when he's at his best!

What!? That's crazy! Ahh...Goku...is it possible that your new power has altered your judgement!? Think about it!