Watch Series: Swamp Thing: The Animated Series Released in (1990) - Season 1 produced by USA, The TV Series categorized in Animation, and content rating 30min with duration 30 min broadcasted as these networks FOX, FOX (US), Streamed at Putlocker & directed by Len Wein, Chuck Patton, Dan Thompson. Scientist Alec Holland invents a growth substance that could end world hunger, but a plantation owner obsessed with immortality tries to steal it and causes an accident that turns Alec into a human-plant mutant, protector of the bayou. - Season 1