SYNOPSIS
After accidentally creating a Timenado, two slacker groundskeepers have to go back in time and battle an evil volleyball coach in order to save the universe and their friendship.
After a future, dying Rigby comes to warn the gang about the future, they must time travel back in time to when Mordecai and Rigby were in high school to stop a evil, crazy volleyball coach from destroying time. Will it work? Can Rigby tell the truth even if it will cost him and Mordecai their friendship?