Death Kwon-Do sensei's life is in danger after his stomach explodes, so it's up to Mordecai, Rigby, and sensei's apprentice to journey to the Death Kwon-Do Hospital to get him a new stomach.
Episode Tropes:
- Acrofatic: The regular hospital's doctor doesn't think the sensei has a good chance of getting a transplant because he is so fat.
- The Bus Came Back: Death Kwon-Do sensei.
- Evil All Along: Jerry plans to get the new stomach for himself instead of the sensei.
- Irony: Sensei attempts to make a new, healthier, sandwich, but it ends up being even worse for one's health.
- Lethal Chef: Quite literally.