Stink Bomb

Is it silly? Yes. But it is also superbly animated and entertaining. The fact that the main character is so mindboggingly dense is part of the joke.

"Once upon a time there was a stinky man. He was so stinky that everybody died! Now that we have a perfectly justifiable pretext-- ahem, plot, please excuse us while we waste our film's animation budget on gratuitous amounts of smoke and explosions! The end."