When Robotnik activates the "Doomsday Machine", Freedom Fighters from every zone of Mobius team up to destroy it, leading to a climactic showdown with Robotnik.
Did You Know?
Over the years there were rumors about the mysterious red eyes behind Snively in the elevator belong to Metal Sonic or Knuckles but this was proved false after the show's writer, Ben Hurst, revealed it was Naugus. See more
But the report said next week.