Mickey's Remedy(1999)

Mickey's Remedy is an animated short from Mickey Mouse Works, and was replayed in House of Mouse. Donald decides to give Mickey a try in controlling his three nephews after he's fed up with their games and mischief. They take advantage of Mickey's hospitality by faking an illness, but when he sees through their ruse, Mickey has more than a few surprises up his sleeve, including the threat of "Bolvainian Brain Fever."