A murderer is running loose through the streets of London, hunting down men dressed as Santa and killing them all in different, and extremely violent, fashions. Inspector Harris has decided to take on the unenviable task of tracking down the psychopath, but he's going to have his work cut out for him. Only the suspicious reporter, Giles, seems to offer the Inspector any promising leads.

After being accused of crimes he did not commit, a lonely circus performer exacts his revenge on those who unjustly condemned him. The act sparks something inside of him which he cannot stop and now, years later, his inner-demons have truly surfaced. Part urban legend, part tabloid sensationalism... he is now an unstoppable murderous juggernaut, fueled only by hate.

Nightclub singer Larry Todd breaks off his romance with a beautiful showgirl when he realizes she's the girlfriend of a murderously jealous gangster. While on the run, Larry mistakenly believes he kills one of the mobsters and is helped to escape police by heiress Mary Carol, who smuggles Larry and partner Myron to Cuba. Mary has inherited a haunted castle on an isolated island and, ignoring ominous warnings and threats, decides to take possession. While there, the trio hunt for a hidden treasure and encounter a ghost, a zombie, and a mysterious killer.

A sunken US supply ship off a Caribbean island resort is the focus for a series of mysterious piranha attacks. Investigating the death of one of her son's companions after a scuba-diving trip, Anne Kimbrough breaks into the morgue with holidaymaker Tyler Sherman, only to discover that the fish have wings and can fly. But the hotel manager refuses to call off the annual fish fry on the beach, with inevitable consequences...

For 8 days in 1986, the earth passed through the tail of a mysterious Rea-M rogue comet. During that time, machines on earth suddenly come to life and terrorize their human creators. A small group of people in a truck stop, surrounded by "alive" semi-trailers, set out to stop the machines before the machines stop them.

Rush week turns unexpectedly hellish when a band of sadistic, masked, homicidal maniacs holed up in an abandoned warehouse wreak havoc on a bunch of not-so-innocent college kids.

The housewife and aspirant photographer Deborah Martin is strangely attracted to a house and convinces her husband Jim to buy it. They move from Seattle with their son Ian and Deborah takes a photo of a mirror in the bathroom. She soon discovers that her neighbor is snooping on her family and a stranger is stalking her. She researches the house history and finds that it belonged to a painter who might have killed his wife.