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

: Professor Paradox and Ben 10,000 arrive to reverse time and guide Ben and Rook through the chaos.

: Ben's future self, who uses the Biomnitrix to fuse alien forms. [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. : Professor Paradox and Ben 10,000 arrive to

This episode is popular among fans for showcasing several unique fusions and transformations: Ben and Rook are forced into a repeating

: In the first attempt, Ben's electrical powers as Feedback collide with a Time Beast’s temporal energy, freezing Bellwood in time.

: A fusion of Crashhopper and Shocksquatch used by Ben 10,000.

: Available as Season 1, Episode 73 in certain regions.