In the Line of Duty: Smoke Jumpers

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.

As a new day begins in the town of Silverton, its residents have little reason to believe it will be anything other than ordinary. Mother Nature, however has other plans. In the span of just a few hours, an unprecedented onslaught of powerful tornadoes ravages Silverton. Storm trackers predict that the worst is still to come, as terrified residents seek shelter, and professional storm-chasers run toward the danger, hoping to study the phenomenon close up and get a once-in-a-lifetime shot.

101-year-old Rose DeWitt Bukater tells the story of her life aboard the Titanic, 84 years later. A young Rose boards the ship with her mother and fiancé. Meanwhile, Jack Dawson and Fabrizio De Rossi win third-class tickets aboard the ship. Rose tells the whole story from Titanic's departure through to its death—on its first and last voyage—on April 15, 1912.

When their ocean liner capsizes, a group of passengers struggle to survive and escape.

The true story of technical troubles that scuttle the Apollo 13 lunar mission in 1970, risking the lives of astronaut Jim Lovell and his crew, with the failed journey turning into a thrilling saga of heroism. Drifting more than 200,000 miles from Earth, the astronauts work furiously with the ground crew to avert tragedy.

After years of increases in the greenhouse effect, havoc is wreaked globally in the form of catastrophic hurricanes, tornadoes, tidal waves, floods and the beginning of a new Ice Age. Paleoclimatologist Jack Hall tries to warn the world while also shepherding to safety his son, trapped in New York after the city is overwhelmed by the start of the new big freeze.

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.

On Haeundae Beach, a guilt-ridden fisherman takes care of a woman whose father accidentally got killed. A scientist reunites with his ex-wife and a daughter who doesn't even remember his face. And a poor rescue worker falls in love with a rich city girl. When they all find out a gigantic tsunami will hit the beach, they realize they only have 10 minutes to escape.

Torn by personal guilt, Italian General Umberto Nobile reminisces about his 1928 failed Arctic expedition aboard the airship Italia.

When an oil rig in the Gobi Desert of Mongolia proves unproductive, an aircraft crew are sent to shut the operation down and fly them out. On the flight out over the desert on the way to Beijing, Capt. Frank Towns and co-pilot A.J. are unable to keep their cargo plane, a C-119 Flying Boxcar, in the air when a violent sandstorm strikes. Crash-landing in a remote uncharted part of the desert, the two pilots and their passengers - a crew of oil workers and a drifter - must work together to survive by rebuilding the aircraft. Soon, low supplies and a band of merciless smugglers add even greater urgency to their task.

A desk-bound CIA analyst volunteers to go undercover to infiltrate the world of a deadly arms dealer, and prevent diabolical global disaster.