- HD 1080
- Runtime: 109m.
- Status: Released
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- Languages: en
- Country: United States of America
- Director: Lloyd Kaufman
- Stars: David Mattey, Debbie Rochon, Clyde Lewis, Heidi Sjursen, Ron Jeremy
- keywords: rape, superhero, satire, sequel, slapstick comedy, spoof
- Production_studio: Troma Entertainment
- Slogan: A Tale of Two Toxies!!!
- providers: Amazon Prime Video, Peacock Premium, AMC Plus Apple TV Channel, AMC+ Amazon Channel, AMC+, Shudder, Shudder Amazon Channel, Shudder Apple TV Channel, Amazon Prime Video with Ads, Troma NOW, Peacock Premium Plus
- The Citizen Toxie: The Toxic Avenger IV is featured in the top rankings of 2001
- #72 in Top Comedy Movies of 2001
- #22 in Top Horror Movies of 2001
A horrific explosion creates a dimensional portal between Tromaville and its dimensional mirror image, Amortville. While the Toxie is trapped in the mirror dimension, Tromaville comes under the control of his evil doppelganger, the Noxious Offender.
