Teenage Mutant Ninja Turtles, Season 1

Mikey:
I'm returning Mittens to her owner.

Raph:
Are you an idiot? Wait, let me rephrase that. You're an idiot!

Donnie:
You can't show yourself to a human.

Mikey:
Why not?

Donnie:
Because they'll freak the heck out, that's why not.

Mikey:
No they won't. I'm not so scary.

Raph:
You're an ugly, green mutant armed with ninja weapons.

Mikey:
Look, this guy is gonna see that I'm just a regular cat-loving dude like him. The next thing you know, we'll be best buds! This is gonna be awesome! [jumps down, despite his brother's protests, to the owner of the cat's balcony]

Mikey:
Hi! Here's your--

Cat Owner:
[screams in horror] Ugly, green mutant freak!

Mikey:
But I got your cat!

Cat Owner:
Help! He's got my cat!