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

An alien similar to Ra appears out of the Stargate, killing five soldiers and kidnapping another, a year after the original Stargate mission. A new team is assembled, including some old members, and they go in search of the missing soldier in order to find out how Ra could still be alive. Meanwhile, the alien Goa'uld kidnap Sha're and Skaara, implanting them with symbiotes and making them Goa'uld hosts.

The fate of the galaxy rests in the hands of bitter rivals. One, James Kirk, is a delinquent, thrill-seeking Iowa farm boy. The other, Spock, a Vulcan, was raised in a logic-based society that rejects all emotion. As fiery instinct clashes with calm reason, their unlikely but powerful partnership is the only thing capable of leading their crew through unimaginable danger, boldly going where no one has gone before. The human adventure has begun again.

Office employee Barry Thomas is caught in a "time bounce" caused by a glitch in the company's secret project. Now the same day occurs again and again - and Barry's the only one who can do anything about it, including saving the life of beautiful research assistant Lisa Fredericks.

Londo Mollari, the Centauri Emperor, recounts the initial contact between the Humans and Minbari, which resulted in a major incident and subsequent war, for an eager pair of youngsters wanting a story about love and conflict.

After accidentally crash-landing in 2022, time-traveling fighter pilot Adam Reed teams up with his 12-year-old self on a mission to save the future.

Travel across the galaxy with John Sheridan as he unexpectedly finds himself transported through multiple timelines and alternate realities in a quest to find his way back home. Along the way he reunites with some familiar faces, while discovering cosmic new revelations about the history, purpose, and meaning of the Universe.

Luc Deveraux, the heroic former Universal Soldier, is about to be thrown into action once again. When SETH, the supercomputer-controlled ultra-warrior, decides to take revenge and destroy its creators, only Luc can stop it. All hell breaks loose as Luc battles SETH and a deadly team of perfect soldiers in a struggle that pits man against machine and good against evil.

A young man finds out that he holds the key to restoring hope and ensuring survival for the human race, while an alien species called the Drej are bent on mankind's destruction.

After a fatal test shuts down their project, a disgraced team of scientists enters the criminal underworld to rebuild a forbidden space-bending engine that could rescue humanity or annihilate it entirely.

Doctor Who and his companions are hurled into the future and make a horrifying discovery: the Daleks have conquered Earth! The metal fiends have devastated entire continents and turned the survivors into Robomen.

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

Nemo Nobody leads an ordinary existence with his wife and 3 children; one day, he wakes up as a mortal centenarian in the year 2092.

"All men are not created equal. It is the purpose of the Government to make them so." This is the premise of the Showtime film adaption of Kurt Vonnegut's futuristic short story Harrison Bergeron. The film centers around a young man (Harrison) who is smarter than his peers, and is not affected by the usual "Handicapping" which is used to train all Americans so everyone is of equal intelligence.

Hoping to alter the events of the past, a 19th-century inventor instead travels 800,000 years into the future, where he finds mankind divided into two warring races.

The Doctor and Clara face their Last Christmas. Trapped on an Arctic base, under attack from terrifying creatures, who are you going to call? Santa Claus!

Jamie and Lucy have an encounter with what appears to be a pair of ghost children. But these spooky kids, Sara and Georgie, aren’t actually ghosts. They’ve travelled forwards in time to seek help, believing they’re going to be murdered by the wicked Mr and Mrs Wickens. And Lucy and Jamie’s strange visitor seems to be the key to it all. With his help, they must travel back to 1821 to save Sara and Georgie and redeem their remorseful new friend – The Amazing Mr Blunden.

Teenager Cleo's school science project goes quite awry, causing her popular older sister Molly to go invisible.

When his attempt to save his family inadvertently alters the future, Barry Allen becomes trapped in a reality in which General Zod has returned and there are no Super Heroes to turn to. In order to save the world that he is in and return to the future that he knows, Barry's only hope is to race for his life. But will making the ultimate sacrifice be enough to reset the universe?

The history and adventures of the Battlestar Pegasus, from shortly before the Cylon invasion to shortly after Lee Adama is made commander. The story is told through the eyes of and largely focuses on one particular member of Pegasus's crew, Kendra Shaw.