Season 3, Episode 14: "The Pez Dispenser"

-You think so? -I don't think so, I know so.

Come here. I gotta talk to you.

The male kangaroo doesn't have a pouch.

Only the female has it...

...so the male has pouch envy!

"Why should she have this huge pouch and I have nothing?

I have things to carry too.

At least give me a pocket."