Fox's Animation Domination High-Def (ADHD) made its way to the tube this Saturday night, and a recent promo for the late night line-up pit Grumpy Cat and Garfield against each other in a "grump-off" for the ages. Who took home the title? Thanks to a secret weapon, one cat went out with a bang.

RELATED: The 50 Best Grumpy Cat Memes

[via Mashable]