It's Indepacdence Day and the town celebrates the day of the war's end. Betrayus plans on spoiling the celebration until later on Pac-Man and friends test out Sir Cumference's new invention, the Pac-a-chini (a zucchini-shaped vehicle). The gang accidently travels to the past where they encounter Pac-Man's parents and Pac-Man as a baby during the wars, along with Commander Betrayus.
- This episode reveals Betrayus and Buttler when they were Pac-Worlders.
- This episode reveals that Sir Cumference, President Spheros and Spheria are freedom fighters.
- This episode's title is a reference to the 1985 film "Back To The Future".