A New York University professor returns from a rescue mission to the Amazon rainforest with the footage shot by a lost team of documentarians who were making a film about the area's local cannibal tribes.
When a man is eaten alive by an unknown creature, the local Game Warden teams up with a paleontologist from New York to find the beast. Add to the mix an eccentric philanthropist with a penchant for "Crocs", and here we go! This quiet, remote lake is suddenly the focus of an intense search for a crocodile with a taste for live animals...and people!
A friendly St. Bernard named "Cujo" contracts rabies and conducts a reign of terror on a small American town.
A large spider from the jungles of South America is accidentally transported in a crate with a dead body to America where it mates with a local spider. Soon after, the residents of a small California town disappear as the result of spider bites from the deadly spider offspring. It's up to a couple of doctors with the help of an insect exterminator to annihilate these eight legged freaks.
Brothers John and Matt have inherited an island cabin from their recently deceased uncle. Along with Matt's girlfriend, Nicki, and other mutual friends, the siblings travel to the cabin for a relaxing weekend getaway. But, not long after arriving, the group is besieged by ravenous dogs. They watch in horror as another vacationer, Luke, is eaten alive. Soon, they discover a training facility where the dogs have been bred to kill.
A horde of giant hungry alligators is unleashed on a group of in-transit prisoners and their guards after a massive hurricane floods Louisiana.
Detective Klaski investigates the death and mutilation of three men and soon crosses paths with Remy, an entomologist. Soon, he discovers that she is being stalked by a giant shape-shifting insect who is bent on taking over New York.
Frank and Katrin return to Frankfurt to stop the scientist responsible for unleashing the plague of genetically mutated vermin upon the city.
A family in Africa is besieged by a group of lions, driven to desperation by the drought.
Jason Crockett is an aging, grumpy, physically disabled millionaire who invites his family to his island estate for his birthday celebration. Pickett Smith is a free-lance photographer who is doing a pollution layout for an ecology magazine. Jason Crockett hates nature, poisoning anything that crawls on his property. On the night of his birthday the frogs and other members of nature begin to pay Crockett back.
Geologists encounter a giant alligator while investigating an active volcano in Hawaii.
Ted and his family have just moved to the sleepy coastal town of Gull Island so that he can complete work on his thesis. Everything couldn’t seem more picturesque about their new, seaside home… that is, except for the increasing number of aggressively behaving birds.
Roar follows a family who are attacked by various African animals at the secluded home of their keeper.
In 18th century France, the Chevalier de Fronsac and his Native American friend Mani are sent by the King to the Gevaudan province to investigate the killings of hundreds by a mysterious beast.
When a group of tourists stumble into the remote Australian river territory of an enormous crocodile, the deadly creature traps them on a tiny mud island with the tide quickly rising and darkness descending. As the hungry predator closes in, they must fight for survival against all odds.
An American family on holiday in Africa becomes lost in a game reserve and stalked by vicious killer lions.
A group of friends are terrorized by a Cane Corso mastiff dog during a lakeside holiday celebration.
Juvenile delinquents are sent to a small British island after a fellow prisoner's death, where they must fight for survival.
American professor John Holden arrives in London for a conference on parapsychology only to discover that the colleague he was supposed to meet was killed in a freak accident the day before. It turns out that the deceased had been investigating a cult lead by Dr. Julian Karswell. Though a skeptic, Holden is suspicious of the devil-worshiping Karswell. Following a trail of mysterious manuscripts, Holden enters a world that makes him question his faith in science.
A group of Satanic hippies wreak havoc on a small town where a young boy, whose sister and grandfather were victimized by them, tries to get even - with deadly results.