There multiple endings in the intereactive episode.
Time Travel Ending : George and Harold time travel back in time and saw Mr.Cleveland as a child. He said to not destroy the swing. George and Harold told him to become a kung fu movie star years later. Cleveland said he'll owe them. It ends by Cleveland saving the day. So far, this is the only ending that Mr.Cleveland did not reveal he's Viper Chai. George and Harold needed to time travel to make him Viper Chai.