The episode begins with Ben Tennyson seemingly waking up in a deserted version of Bellwood . He is immediately attacked by a , a parasitic creature that latches onto its victim's face to induce a coma-like sleep while feeding on their stress hormones .
: He is relentlessly attacked by past enemies like the DNAliens, Vilgax, Aggregor, and Ultimate Kevin—none of whom speak . The episode begins with Ben Tennyson seemingly waking
: His parents and neighbors have vanished, and his friends Gwen and Kevin act out of character, demanding he hand over the Ultimatrix . : His parents and neighbors have vanished, and
The Ben 10: Ultimate Alien episode (Season 3, Episode 17) is a psychological thriller that serves as a pivotal character study for the series' recurring antagonist, Albedo . Premiering on March 10, 2012, it is the final episode before the three-part series finale . Plot Summary Plot Summary As the episode progresses, Ben finds
As the episode progresses, Ben finds himself in a surreal nightmare world where:
: Ben eventually realizes he is in a dream and gains control over the environment. He deduces that the nightmare is actually a projection of Albedo's fears , not his own . In reality, Albedo had attempted to infect Ben with the Dream Eater but accidentally tripped on a smoothie, causing the parasite to latch onto his own face .
The episode ends with Albedo trapped in a permanent nightmare of his own making, while Ben and his team wait for Plumber assistance to safely remove the creature .