Mushroom Planet is a location that appears in the Sonic the Hedgehog film. It is a planet that, like its name implies, is filled with mushrooms.
The planet has a muggy brown sky with a piercing sun. The surface of the planet can not be seen, as the mushrooms are so dominant that they have started growing on each other.
Sonic the Hedgehog was planning on escaping to the planet after Doctor Robotnik discovered him. Before Sonic could throw his Ring, however, he was tranqilized by Tom Wachowski. Latter on, Sonic and Tom banished Robotnik to the Mushroom Planet. Even with the little gear and equipment he had, Robotnik began to scour the planet, confident that he will soon return to his own.
- The Mushroom Planet is most likely based on Mushroom Hill Zone from Sonic & Knuckles.
- The symbol on Sonic's map for the Mushroom Planet is of silhouettes of mushrooms from the Zone.