A scene from “Unfinished Business”

Michelangelo: "Maybe the bug-zapper button?"

Donatello: "Really? There's a bug-zapper but- WHY DIDN'T YOU TRY THAT FIRST?!"

Michelangelo: "It didn't have a 3000 after it!!"

Donatello: (uses one of claw arms to write "3000" under the Bug-Zapper button in a red marker) "There, happy?!"

Michelangelo: Why, thank you! (presses the button and effectively defeats the villain as our sci-fi loving dorks ride off into the sunset)

Donatello and Michelangelo: "HARD AS NAILS!" (high-threes as a jaguar growl sound effect goes off to show their fierceness and a mission accomplished)