Sabrina is on the fast track to losing the Science Fair. She decides to get a little help....by conjuring up a young Thomas Edison. At first Tom is a pro at helping Sabrina until things start to disappear! Sabrina learns that with Tom gone from his place in time, the things he created don't exist. She must get Tom back in time before Tom is stuck in Greendale forever! And technology goes back to a time with no movies, video games or Eep! A mall!