[s4e23] Let's Do The - Time War Again

The plot kicks off with a car accident in Undertown that unearths a nest of . Ben and Rook are forced into a repeating cycle of events as they attempt to stop the villains Eon , Exo-Skull , and Subdora from stealing the eggs.

: After several failed loops that result in the city's destruction, future and past versions of Ben and Rook team up to capture the Time Beast and revert it to an egg using newly built Time Cycles . Key Characters & Villains [S4E23] Let's Do the Time War Again

: A fusion of Upgrade and Juryrigg used to repair and enhance the Time Cycles. Big Chuck : A fusion of Way Big and Upchuck . The plot kicks off with a car accident