Ben 10 Side Effects (Season 1, Episode 12)
TV-Y7
TV Episode | 23 min | Animation, Action, Adventure

Ben 10

Side Effects (Season 1, Episode 12)

TV-Y7

TV Episode | 23 min | Animation, Action, Adventure

Ben's cold affects his alien transformations, leaving Wildmutt virtually blind, Four Arms with putrid puss pockets and Heatblast far from able to warm up. Not good when there's a bug-manipulating maniac threatening a city.

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Cast	+ Add Cast
10 cast members

Name	Known for
Tara Strong Ben Tennyson / Upgrade (voice) Ben Tennyson / Upgrade (voice) See fewer	Batman: The Killing Joke (2016)
Meagan Moore Gwen Tennyson (voice) (as Meagan Smith) Gwen Tennyson (voice) (as Meagan Smith) See fewer	Ben 10 (2005)
Paul Eiding Max Tennyson (voice) Max Tennyson (voice) See fewer	The Transformers: The Movie (1986)
Dee Bradley Baker Wildmutt / Joe / Thug (voice) Wildmutt / Joe / Thug (voice) See fewer	American Dad! (2005)
Steve Blum Heatblast / Bob (voice) Heatblast / Bob (voice) See fewer	Star Wars: Rebels (2014)
Richard McGonagle Four Arms (voice) Four Arms (voice) See fewer	500 Days of Summer (2009)
Rosalind Chao Councilwoman Liang (voice) Councilwoman Liang (voice) See fewer	3 Body Problem (2024)
Nancy Linari Automated Voice (voice) Automated Voice (voice) See fewer	Spider-Man (2018)
Nicholas Guest Clancy (voice) Clancy (voice) See fewer	Trading Places (1983)
Meric B Upchuck Upchuck See fewer	Ben 10 (2005)