Set roughly a decade before the events of the original Star Trek series, separate from the timeline of the concurrent feature films, Discovery explores a previously mentioned event from the history of Star Trek while following the crew of the USS Discovery.

Childhood’s End follows the peaceful alien invasion of Earth by the mysterious “Overlords”, whose arrival begins decades of apparent utopia under indirect alien rule, at the cost of human identity and culture.

Set on a future Earth, Defiance introduces viewers to a world where humans and aliens live together on a planet ravaged by decades of war and transformed by alien terra-forming machines. It centers on Jeb Nolan, the law-keeper in a bustling frontier boomtown that is one of the new world’s few oasis of civility and inclusion. Nolan is a former Marine who fought in the alien conflict and suffered the loss of his wife and child in the war. The trauma transformed him into a lone wanderer in the wilds of this new and dangerous world.

The series tells the story of the aftermath of a global invasion by several races of extraterrestrials that neutralizes the world's power grid and technology, quickly destroys the combined militaries of all the world's countries, and apparently kills over 90% of the human population within a few days.

Set nearly 60 years before the events depicted in Battlestar Galactica, Caprica tells the story of how the Cylons came to be, set against the backdrop of the Greystones and the Adamas, two families that are changed in an act of tragedy that takes the lives of their daughters

Today, the world woke up to find spaceships over every major city. The Visitors claim to have come in peace, bringing gifts of medical miracles and technological breakthroughs. They promise to do no harm... They're lying...

The Previously unknown purpose of the "Ninth Chevron" is revealed, and ends up taking a team to an Ancient ship "Destiny", a ship built millions of years ago by the Ancients, used to seed Distant galaxies with Stargates. This team, led by Dr. Nicolas Rush and Colonel Everett Young, is trapped on the ship, unable to change its programmed mission. The team encounters new races, new technology and new enemies as the runaway ship travels to the far ends of the Universe.

"I saw amazing things, out there in space. But there is strangeness to be found wherever you turn. Life on Earth can be an adventure too... you just need to know where to look!" Ms. Sarah Jane Smith is back in action, discovering alien plots to take over the world, or simply helping a lost one get home... Sarah Jane and her new friend Maria Jackson, and her newly (and genetically grown) adopted son Luke Smith have no problem taking on any challenge.

Captain Jack Harkness is a man from the 51st century trapped in the past who leads the last remnants of the Torchwood Institute, a top secret British agency outside the government whose job it is to investigate alien goings on in the world, act in mankind's best interest, and, if needed, be the Earth's last line of defense.

Threshold, from producers David Heyman, David Goyer, and Brannon Braga, and written by Bragi Schut, revolves around a female government contingency analyst who leads a team of scientists and military personnel who get in contact with a mysterious alien lifeform. Blade writer/director Goyer is on board to direct the Paramount Network TV pilot. He also will exec produce with Heyman, producer of the Harry Potter movies. Schut is co-exec producing with Mark Rosen.

The Doctor looks and seems human. He's handsome, witty, and could be mistaken for just another man in the street. But he is a Time Lord: a 900 year old alien with 2 hearts, part of a gifted civilization who mastered time travel. The Doctor saves planets for a living – more of a hobby actually, and he's very, very good at it. He's saved us from alien menaces and evil from before time began – but just who is he?

In a distant part of the universe, a civilization of humans live on planets known as the Twelve Colonies. In the past, the Colonies have been at war with a cybernetic race known as the Cylons. 40 years after the first war the Cylons launch a devastating attack on the Colonies. The only military ship that survived the attack takes up the task of leading a small fugitive fleet of survivors into space in search of a fabled refuge known as Earth.

The story of Stargate Atlantis follows the cliffhanger episode on Stargate SG-1's seventh season finale "Lost City", where SG-1 found an outpost made by the race known as the Ancients in Antarctica. After the events of Stargate SG-1 season eight premiere "New Order", the Stargate Command sends an international team to investigate the outpost. Soon, Dr. Daniel Jackson discovers the location of the greatest city created by the Ancients, Atlantis. The story unfolds when the members of the expedition encounter the Wraith, the race that defeated the Ancients ten thousand years ago.

Prepare to be Taken... Taken is a sweeping sci-fi adventure that weaves together the story of three families over three generations and their crucial roles in the history of alien abductions. Set against the backdrop of actual history and UFO lore, Taken creates a powerfully emotional and evocative tale of mankind's encounters with extraterrestrials.

In the far-distant future, Captain Malcolm "Mal" Reynolds is a renegade former brown-coat sergeant, now turned smuggler & rogue, who is the commander of a small spacecraft, with a loyal hand-picked crew made up of the first mate, Zoe Warren; the pilot Hoban "Wash" Washburn; the gung-ho grunt Jayne Cobb; the engineer Kaylee Frye; the fugitives Dr. Simon Tam and his psychic sister River. Together, they travel the far reaches of space in search of food, money, and anything to live on.

This is the story of four astronauts, a scientist, and a television news reporter. During a routine shuttle mission in 2007, they watch in astonishment as the Earth rapidly dissolves into a fiery ball and then suddenly implodes. Resigned to death, the crew is saved by an alien known only as the Seeker. The Seeker has been trying to discover what is causing the destruction that has befallen the Earth and many other planets. He has always arrived too late, until now. He offers the crew of the Odyssey a chance to go back in time five years, try to find out what will cause the Earth to explode and prevent it. While the team searches for the truth and for who or what is behind it, they must also deal with being back in the past with memories of what is to come. Along the way they learn that their actions in the past can have a direct outcome for the future.

"It's Good to be Home." Enterprise is the latest entry in the Star Trek saga and takes place during the mid-22nd century. Under the command of Captain Jonathan Archer, the crew of the first warp five starship (the Enterprise NX-01) begin to explore the galaxy. As their mission progresses, the crew encounter familiar races like the Klingons and Andorians as well as some new ones.

The Commonwealth spanned three galaxies and a myriad of cultures. Dylan Hunt, captain of the star ship Andromeda, was frozen in time and awoke three centuries later to find the Commonwealth had fallen. To fight back the chaos among the stars, Hunt must use the Andromeda to restore the Commonwealth and bring unity to the galaxy once again. He recruits a mercenary, Tyr Anasazi, and the crew of the Eureka Maru: Captain Beka Valentine, Engineer Seamus Harper, Physicist Rev Bem, and Medical Officer Trance Gemini. After discovering the Spirit of the Abyss and its powerful weapon, the Magog Worldship, the need for the Commonwealth is greater than ever. 50 member worlds are finally recruited, and the reconstruction of the Commonwealth is finally truly underway. More and more worlds sign on, contributing their fleets to protect each other. In the third season, Dylan and the crew travel from world

In Roswell, New Mexico, a group of teenage alien/human hybrids attempt to survive as humans and hide their alien sides, while trying to learn more about their alien powers, as well as figuring out how to get home. Roswell intertwines romance and science fiction that always kept you guessing.

Crusade, a spin-off from the Emmy-winning Babylon 5, describes the efforts of the Interstellar Alliance vessel Excalibur to find the cure to a plague released on Earth. This plague of nano-viruses, released by the Shadow's servants the Drakh in retaliation for the Shadow War (see Babylon 5 movie a Call to Arms for details), will kill all mammalian life on Earth within five years if the cure is not found. Unfortunately, the plug was pulled on this series after just 13 episodes, so no resolution was ever achieved.