Treehouses of DOOM! / The Stench

An episode of Invader Zim: The Next Files.

Treehouses of DOOM!
Zim and Dib compete at building the best treehouse. However, when they finish, they end up turning them into giant treehouse robots and battle each other.

The Stench
After a day playing in the mud, Gir becomes a walking stink bomb. Zim must figure out a way to clean him without his Sir unit short-circuiting.