Cave Women on Mars (2008)

Four astronauts returning from man's first mission to Mars enter a time warp and crash on a 26th-century Earth devastated by atomic war. At first unaware where they are, but finding the atmosphere safe to breathe, they start exploring and find themselves in a divided future where disfigured mutants living like cavemen inhabit the surface, while the normals live comfortably below the surface but are dying as a race from lack of natural water, air and sunlight.

When an unidentified alien destroys three powerful Klingon cruisers, Captain James T. Kirk returns to the newly transformed U.S.S. Enterprise to take command.

The first manned expedition to Mars is invaded by an unknown life form, which stows away on the rescue ship.

While planet Earth poises on the brink of nuclear self-destruction, a team of Russian and American scientists aboard the Leonov hurtles to a rendezvous with the still-orbiting Discovery spacecraft and its sole known survivor, the homicidal computer HAL.

When the first manned mission to Mars meets with a catastrophic and mysterious disaster after reporting an unidentified structure, a rescue mission is launched to investigate the tragedy and bring back any survivors.

When a huge alien probe enters the galaxy and begins to vaporize Earth's oceans, Kirk and his crew must travel back in time in order to bring back whales and save the planet.

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

This instalment of Babylon 5 is in two parts: the first is about an entity that has possessed a worker. Colonel Lochley prevents a priest from performing an exorcism. The host is returned to Earth. The second has Galen trying to dupe President Sheridan into assassinating the future Centauri emperor to stop him from attacking Earth in around 30 years time.

Middle schooler Ben spends his free time watching sci-fi films, playing video games and reading comic books. Surprisingly, his affinity for all things fantastical yields a real result – when he has a vivid dream about technology, his prodigy best friend Wolfgang manages to create a working spacecraft. Joined by their buddy Darren, the boys take off into outer space and encounter some very odd extraterrestrial life.

Zenon Kar, a 13-year-old girl who lives on a space station in the year 2049, gets into some trouble and is banished to Earth. With help from some Earth friends she must find her way back.