->''Not long ago, in the unexplored reaches of an unmapped swamp, the creative genius of one man collided with another's evil dream and a monster was born. Too powerful to be destroyed, too intelligent to be captured, this thing still pursues its savage dream.''
-->-- Opening text

'''''Swamp Thing''''' is a 1982 film directed by Creator/WesCraven, based on the DC comics character.

The film centers around Dr. Alec Holland, who studying a formula that could possibly grow plants anywhere, and Alice Cable, a Washington agent who is sent to look after the research in the middle of a swamp. During an attack on the facility orchesrated by Anton Arcane, who seeks the formula for himself, Holland is dosed with his bio-restorative formula and is turned into the eponymous being. Now Alec must protect Alice as Arcane's men hunt them.

In 1989 it was followed by a {{camp}}y sequel ''Film/TheReturnOfSwampThing''.

!!The film has:

* ActionGirl: Alice.
* AlliterativeName: Anton Arcane.
* AlwaysWithYou: Swamp Thing's parting words to Alice in the end.
* AnArmAndALeg: Ferret manages cut off Swamp Thing's hand with a machete.
* BetweenMyLegs: Shown when Swamp Thing creeps up on Bruno.
* TheBigEasy
* BigFancyHouse: Arcane's mansion.
* CarFu: Ferret and the other mooks attempt to run Swamp Thing down with their Jeep, but are stopped dead on their tracks by his strength.
* ChekhovsGun: The small propane tank in the command center.
* DramaticDrop: When Arcane's assistant Karen sees the early stages of his transformation, she drops the tray she's holding.
* EveryCarIsAPinto: Two boats explode when they crash.
* FanserviceExtra: Some of Aracne's visitors in his mansion.
* GroinAttack: Alice knees Ferret to the groin when he tries to pull the moves on her.
* HalfheartedHenchman: Bruno, who shows remorse for his participation in the mooks' misdeeds.
* HealingHands: Swamp Thing has this power.
* HiredGuns: Arcane's mooks.
* HoistByHisOwnPetard: Swamp Thing defeats Arcane with his own sword.
* ILikeSwords: After he is transformed into a monster, Arcane grabs a sword.
* IdiosyncraticWipes
* LatexPerfection: Arcane's disguise as Ritter.
* MacheteMayhem: After Alice escapes from Arcane's boat, Ferret swims after her and starts chasing her with a machete.
* {{Malaproper}}: Bruno wonders if Swamp Thing is "one of those Abdominal Snowmen".
* ManOnFire: Alec after he is accidentally doused with his mixture.
* MookLieutenant: Ferret.
* MurderByMistake: While searching for Swamp Thing, the mook Tyrone calls out to Ferret and others and is accidentally shot by Danny.
* NotInKansasAnymore: Said by Alice when she arrives to the swamp.
* OneWingedAngel: Arcane turns into a hideous monster when he tries Holland's mixture himself.
* OutdoorBathPeeping: Alec peeps on Alice as she bathes.
* PainfulTransformation: Bruno's transformation into the pig creature.
* {{Planimal}}: Alec's work is based on a combined cell of an animal an a plant.
* ThePowerOfTheSun: Swamp Thing manages to regrow his arm and [[BreakingTheBonds break his bonds]] thanks to sunlight.
* ProtagonistTitle
* RedemptionEqualsLife: Bruno (mutated into a piglike midget) helps Swamp Thing escape Arcane's dungeon and briefly distracts the mutated Arcane for him, and manages to survive the story, albeit still mutated into a pig-midget.
* SaveTheDayTurnAway
* ShirtlessScene: Provided by Arcane.
* SignatureStyle: Harry Manfredini did the score for the film, so don't be weirded out if the scene with Ferret chasing after Alice with a machete in hand [[Franchise/FridayThe13th reminds you of something else]].
* StockScream: One of the mooks lets out a Wilhelm scream when Swamp Thing throws him off a boat.
* SwordPlant: After defeating Arcane, Swamp Thing plants his sword next to him.
* TagalongKid: Jude, the gas station kid.
* TouchOfTheMonster: Used on the posters and video releases.
* VoiceChangeling: Arcane is capable of imitating other people's voices.
* WickedCultured: Arcane, who even recites Nietzche to Alec before he is caught on fire.