Earthfall

With the discovery of an incoming asteroid, the government of America formulate a plan to destroy it. When the plan fails, all the world can do is wait. The main impact zone is revealed to be Dallas, Texas. Generally, the plot follows the lives and reactions of several characters: an astronomer, her father, her son, two firefighters from Kansas, two young doctors in Dallas and the heads of the government agency in charge of the situation.

After an unprecedented series of natural disasters threatened the planet, the world's leaders came together to create an intricate network of satellites to control the global climate and keep everyone safe. But now, something has gone wrong: the system built to protect Earth is attacking it, and it becomes a race against the clock to uncover the real threat before a worldwide geostorm wipes out everything and everyone along with it.

A huge solar flare blasts Mercury out of it's orbit and provides it with an intense magnetic field and it's on collision course for Earth.

A mysterious force knocks the moon from its orbit around Earth and sends it hurtling on a collision course with life as we know it.

A global scientific summit debates and fails on a plan to stop a massive asteroid heading straight for Earth, with all countries blaming each other for the impeding disaster. With communications tense, the daughter of a tech billionaire assembles her own team of specialists to try to destroy the asteroid before it is too late.

In the 28th century, Valerian and Laureline are special operatives charged with keeping order throughout the human territories. On assignment from the Minister of Defense, the two undertake a mission to Alpha, an ever-expanding metropolis where species from across the universe have converged over centuries to share knowledge, intelligence, and cultures. At the center of Alpha is a mysterious dark force which threatens the peaceful existence of the City of a Thousand Planets, and Valerian and Laureline must race to identify the menace and safeguard not just Alpha, but the future of the universe.

Jack Harper is one of the last few drone repairmen stationed on Earth. Part of a massive operation to extract vital resources after decades of war with a terrifying threat known as the Scavs, Jack’s mission is nearly complete. His existence is brought crashing down when he rescues a beautiful stranger from a downed spacecraft. Her arrival triggers a chain of events that forces him to question everything he knows and puts the fate of humanity in his hands.

The Bionic Woman and the Six-Million-Dollar Man reunite--with a few younger bionic assistants--and try to catch a bionic spy.

The residents of a small town are excited when a flaming meteor lands in the hills, until they discover it is the first of many transport devices from Mars bringing an army of invaders invincible to any man-made weapon, even the atomic bomb.

Ba'al travels back in time and prevents the Stargate program from being started. SG-1 must somehow restore history.