The Planet Nintenduu 64 exists in an alternate reality as revеaled by Professor Hubert J. Farnsworth's What-If Machine. The planet is home to a variety of individuals who resemble video game characters from late 20th century Earth. In 3003, the Nintendians invaded Earth in an attempt to secure all of their quarters to do their laundry. Despite successfully invading (from space), the Nintendians settled for throwing in their laundry with that of Earth's population.
- The name Nintenduu 64 is a reference to the Nintendo 64 video game console from Silicon Graphics and Nintendo.
- In the What-If scenario, Lrrr says that he is "Lrrr of the planet Nintenduu 64", although in other episodes he is from Omicron Persei 8.
- "Anthology Of Interest II" (mentioned only)