The Beast from 20,000 Fathoms

Ford Brody, a Navy bomb expert, has just reunited with his family in San Francisco when he is forced to go to Japan to help his estranged father, Joe. Soon, both men are swept up in an escalating crisis when an ancient alpha predator arises from the sea to combat malevolent adversaries that threaten the survival of humanity. The creatures leave colossal destruction in their wake, as they make their way toward their final battleground: San Francisco.

When a group of astronomers calculate a star is on a course to slam into Earth, a few days before, it's accompanying planet will first pass close enough to the Earth to cause havoc on land and sea. They set about building a rocket so a few selected individuals can escape to the planet.

After an earthquake destroys their underwater station, six researchers must navigate two miles along the dangerous, unknown depths of the ocean floor to make it to safety in a race against time.

Scientists and US Air Force officials fend off a blood-thirsty alien organism while investigating at a remote arctic outpost.

It's just another day in the small town of Hamlin until something disastrous happens. Suddenly, news breaks that a series of nuclear warheads has been dropped along the Eastern Seaboard and, more locally, in California. As people begin coping with the devastating aftermath of the attacks — many suffer radiation poisoning — the Wetherly family tries to survive.

The world has finally managed to blow itself up and only Australia has been spared from nuclear destruction and a gigantic wave of radiation is floating in on the breezes. One American sub located in the Pacific has survived and is met with disdain by the Australians. The calculations of Australia's most renowned scientist says the country is doomed. However, one of his rivals says that he is wrong. He believes that 1000 people can be relocated to the northern hemisphere, where his assumptions indicate the radiation levels may be lower. The American Captain is asked to take a mission to the north to determine which scientist is right.

In Arborville, California, three high school students try to protect their hometown from a gelatinous alien life form that engulfs everything it touches.

A woman discovers that severe catastrophic events are somehow connected to the mental breakdown from which she's suffering.

While on a fishing trip, Harry Baldwin and his family hear an explosion and realize that Los Angeles has been leveled by a nuclear attack. Looters and killers are everywhere. Escaping to the hills with his family, he sets about the business of surviving in a world where, he knows, the old ideals of humanity will be the first casualties.

A small team of scientists must race against time to stop what seems to be a cascade of global disasters signaling the possible apocalypse and end of days.

Despite scientist Nathan's warnings, his boss continues an experiment meant as publicity for his satellite firm: exploding an asteroid. Instead it splits, and the major piece, the size of Iceland, changes course to earth. It is deflected but so close that it shift our course closer to the sun, causing rapid extreme heating, hopefully only mid-term. Nathan warns his sister, TV journalist Carly, and she her lover, police detective Tom. He brings his unruly daughter Kim, her ex-con lover C.J. and her mother, nurse Bonnie, when Nathan offers a flight to a friend's Arctic weather station. Tom takes charge of a dangerous trip to the airport, as everywhere on earth things catch fire and people fight for water, transport and sheer looting.

An intelligent 15-year-old high school student is unexpectedly transferred to a boarding school where he opens a portal of monsters from another dimension.