Tom Merrick gets caught up in a time-traveling conspiracy and must set the timeline right before it is irrevocably altered.

Flight 23 has crashed in the Bermuda Triangle after a hijacking gone wrong. Now the surviving passengers must brave panic, slow leaks, oxygen depletion, and more while attempting a daring plan, all while 200 feet underwater.

A psychotic sniper plans a massive killing spree in a Los Angeles football stadium during a major championship game. The police, led by Captain Peter Holly and the SWAT commander, learn of the plot and rush to the scene.

Timely yet terrifying, The Flood predicts the unthinkable. When a raging storm coincides with high seas it unleashes a colossal tidal surge, which travels mercilessly down England's East Coast and into the Thames Estuary. Overwhelming the Barrier, torrents of water pour into the city. The lives of millions of Londoners are at stake.

A seven-mile-wide space rock is hurtling toward Earth, threatening to obliterate the planet. Now, it's up to the president of the United States to save the world. He appoints a tough-as-nails veteran astronaut to lead a joint American-Russian crew into space to destroy the comet before impact. Meanwhile, an enterprising reporter uses her smarts to uncover the scoop of the century.

After paleoclimatologist Jack Hall is largely ignored by UN officials when presenting his environmental concerns about the beginning of a new Ice Age, his research proves true when a superstorm develops, setting off catastrophic natural disasters throughout the world. Trying to get to his son, Sam, who is trapped in New York City with his friend Laura and others, Jack and his crew must travel to get to Sam before it's too late.

A packed cruise ship traveling the Atlantic is hit and overturned by a massive wave, compelling the passengers to begin a dramatic fight for their lives.

When an asteroid threatens to collide with Earth, NASA honcho Dan Truman determines the only way to stop it is to drill into its surface and detonate a nuclear bomb. This leads him to renowned driller Harry Stamper, who agrees to helm the dangerous space mission provided he can bring along his own hotshot crew. Among them is the cocksure A.J. who Harry thinks isn't good enough for his daughter, until the mission proves otherwise.

At the opening party of a colossal—but poorly constructed—skyscraper, a massive fire breaks out, threatening to destroy the tower and everyone in it.

An unprecedented series of violent tornadoes is sweeping across Oklahoma. Tornado chasers, headed by Dr. Jo Harding, attempt to release a groundbreaking device that will allow them to track them and create a more advanced warning system. They are joined by Jo's soon to be ex-husband Bill, a former tornado chaser himself, and his girlfriend Melissa.

An earthquake shatters a peaceful Los Angeles morning and opens a fissure deep into the earth, causing lava to start bubbling up. As a volcano begins forming in the La Brea Tar Pits, the director of the city's emergency management service, working with a geologist, must then use every resource in the city to try and stop the volcano from consuming LA.

An airport manager tries to keep his terminals open during a snowstorm, while a suicide bomber plots to blow up a Boeing 707 airliner in flight.