Codename: Kids Next Door (2002)

S2E18 Operation: B.R.I.E.F.

The Delightful Children place a bounty on Numbah One, enlisting a most unexpected hitman—Mr. White, a sentient pair of underpants! However, as he launches his clumsy attacks, the team begins to believe their leader has lost his mind. Can Numbah One endure the chaos caused by this mischievous pair of briefs? And is there a hidden depth to this troublesome undergarment that no one sees coming?