Malefactor: [s1e15]

In this flashback, younger Ben encounters Malware , a corrupted Galvanic Mechamorph who attacks the base and absorbs Plumber weaponry.

The episode includes action sequences featuring some of Ben's signature transformations, such as Humungousaur and Spidermonkey . [S1E15] Malefactor

The Plumbers are shown housing an injured creature known as a Psycholeopterran, which has the ability to hypnotize its prey—a power that Ben accidentally experiences. In this flashback, younger Ben encounters Malware ,

The episode features a significant flashback where a younger Ben, Gwen, and Grandpa Max visit Mount Rushmore , which is revealed to be a fully functioning Plumber base . In this flashback

is the 15th episode of Season 1 of the animated series Ben 10: Omniverse . Episode Summary