Two years after bringing peace to the galaxy, Steven Universe sees his past come back to haunt him in the form of a deranged Gem who wants to destroy...
After a battle with Dr. Animo in a power plant, Ben notices something strange is happening with the Omnitrix but doesn't tell anyone. Tetrax arrives...
Steven gets a hold of a magical time travel hourglass and does what any kid would do - he uses it for comebacks. But toying with magic draws trouble...