The one where Peter forces his crappy operating system on the Mushroom Kingdom. From the description:
A bad computer operating system has taken over most computers in the Mushroom Kingdom! What will our heroes do?
This episode contains examples of:
- Body Uploading: Hafu has Sprocket upload him to the master computer for Peter Opera OS so he can destroy it from within.
- Cliffhanger: Peter Opera OS is destroyed, but a character known as Beesod is released as a result.