Homer and Bart participate in a Robot Wars
-style robotic combat game show — with Homer disguised as a robot in order to help his son, as building an actual robot was beyond him. Meanwhile, Snowball II dies and Lisa goes through a string of replacement Snowballs.
- Call Back: The montage of Homer and Bart winning their fights is set to "Watching Scotty Grow". When Homer is losing the final bout, he deliriously sings a few lines of the song.
- Loophole Abuse: Averted. When Homer was announced as a robot fight champion despite not being a robot, the one announcing Homer dared everyone to state any rule prohibiting humans from being robots. He was then shown Rule Number One.