FBI agent Neville Flynn boards a flight from Honolulu, Hawaii to Los Angeles, escorting a key witness to testify against a mob boss at an upcoming trial. An on-board assassin releases a crate full of hundreds of deadly venomous snakes in an attempt to eliminate the witness. Flynn and a host of frightened passengers and crew must band together to survive the slithery threat.

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.

A mutated rat has been let loose in a city.

A group of friends are terrorized by a Cane Corso mastiff dog during a lakeside holiday celebration.

After a military plane crashes outside of a small American town, its cargo — a genetically engineered, sixty-foot-long python — begins stalking and killing the locals.

When ants, displaying never-before-seen behavior, seize an island, the controversial Thorax Team is called in to stop the massive threat, only to discover that the ants are controlled by something beyond this world.

After an overly ambitious businessman transports an 80-foot python to the United States, the beast escapes and starts to leave behind a trail of human victims. An FBI agent and a snake specialist come up with a plot to combat the creature by pitting it against a bioengineered, 70-foot boa constrictor. It's two great snakes that snake great together!

In the Australian outback a vicious wild boar kills and causes havoc to a small community.

A murderous baboon escapes from a laboratory and roams the research building, and begins to kill some teenagers who are also in the building playing a Dungeons-and-Dragons type game.

A small rural town in Maine is shocked as a mysterious animal leaves a local resident brutally ripped apart. Deemed to be a random bear attack by town officials, freelance journalist Max Frome suspects it might be something more.

At a cabin deep in the wilderness, a weekend of hunting turns to mayhem and a fight for survival when a pack of wolves attack a man, his female best friend and her fiance.

Corn grain contaminated with steroids produces large rats the size of small dogs who begin feeding on the residents of Toronto. Paul, a college basketball coach, teams up with Kelly, a local health inspector, to uncover the source of the mysterious rat attacks and they eventually try to prevent the opening of a new subway line as well as find the mutant rats nest quickly, or there will be a huge massacre of the entire city!