Taking place 70 years after the events of "Avatar: The Last Airbender," this story follows the adventures of the Avatar after Aang - a passionate, rebellious, and fearless teenage girl from the Southern Water Tribe named Korra. With three of the four elements under her belt (Earth, Water, and Fire), Korra seeks to master the final element, Air. Her quest leads her to the epicenter of the modern "Avatar" world, Republic City - a metropolis that is fueled by steampunk technology. It is a virtual melting pot where benders and non-benders from all nations live and thrive. However, Korra discovers that Republic City is plagued by crime as well as a growing anti-bending revolution that threatens to rip it apart. Under the tutelage of Aang's son, Tenzin, Korra begins her airbending training while dealing with the dangers at large.

The chaotic aftermath of an alien attack has left most of the world completely incapacitated. In the six months since the initial invasion, the few survivors have banded together outside major cities to begin the difficult task of fighting back. Each day is a test of survival as citizen soldiers work to protect the people in their care while also engaging in an insurgency campaign against the occupying alien force.

2011 American science fiction television series

Before the rise of the Galactic Empire, there was the Old Republic and the advent of the Clone Wars. Taking place after

An animated television series set between the events of

American 3D CGI animated television series from 2014–2018

Chronicling the events that took place between

Set 400 years in the future, the show follows the adventures of the Orville, a not-so-top-of-the-line exploratory ship in Earth's interstellar Fleet. Facing cosmic challenges from without and within, this motley crew of space explorers will boldly go where no comedic drama has gone before.

Boldly going where no one has gone before, Star Trek: Lower Decks follows the underdogs of Starfleet and their crazy adventures traversing the universe, helping civilizations and new life, and keeping up appearances without making total fools of themselves along the way. It's Star Trek, but more irreverent than you've ever seen it before.

The year is 2151. Earth has spent the last 88 years since learning how to travel faster than the speed of light studying under the wisdom of their alien ally called the 'Vulcans'. Now, the first crew of human explorers sets out into deep space on a ship called the 'Enterprise' to see what is beyond our solar system.

American science fiction television series from 2001–2005

The second war against the Cylons is over, and The Twelve Colonies have been destroyed. Now Commander Adama of the Battlestar Galatica and President Laura Roslin lead a ragtag fleet of refugees in a supposed search for the fabled lost thirteenth colony, Earth. However, the dangers they face are many, which compound an already difficult situation. In addition to the Cylons hunting and attacking the fleet in space and their infiltrator units carrying out sabotage--even as their former unwitting pawn, Gaius Baltar, helps in the hunt for them while hiding both his own guilt and the strange presence that haunts his every thought--the fleet also faces internal political conflict in which the rabble-rousing figure Tom Zarek is merely the loudest dissenting voice, not to mention recurring shortages of food, water, and even oxygen. In the midst of these trials, however, clues begin to appear to suggest that Adama's bluff about finding Earth might hold more truth than anyone could have guessed.

2004–2009 American science fiction television series, reimagining of a 1970s series

Captain Malcolm 'Mal' Reynolds is a former galactic war veteran who is the captain of the transport ship "Serenity". Mal and his crew, ensign Zoe Alleyne Washburne; Zoe's husband, pilot Hoban 'Wash' Washburne; muscular mercenary Jayne Cobb; young mechanic Kaylee Frye; former Alliance medical officer Simon Tam; his disturbed teenage sister River (both on the run from the interplanetary government "The Alliance"); the beautiful courtesan Inara Serra; and preacher Shepherd Book do any jobs, legal or illegal, they can find as the Serenity crew travels across the outskirts of outer space.

With the Ancients' city of Atlantis discovered in the Pegasus Galaxy by Stargate Command, Dr. Elizabeth Weir and Major Sheppard lead a scientific expedition to the ancient abandoned city. Once there, the team not only find themselves unable to contact Earth, but their explorations unexpectedly reawaken the Ancients' deadly enemies, The Wraith, who hunger for this new prey. Now with the help of newfound local allies like Teyla Emmagan, the Atlantis Team sets about to uncover their new home's secrets even as their war of survival against the Wraith begins.

General Hammond summons Colonel Jack O'Neill out of retirement to embark on a secret rescue mission. O'Neill confesses that he disobeyed orders to destroy the Stargate on Planet Abydos, and that scientist Daniel Jackson may still be alive. Arriving on Abydos with his team, O'Neill meets up once again with the scientist, who has discovered a giant elaborate cartouche in hieroglyphics. All signs point to the fact that this is a map of many Stargates that exist throughout the galaxy - a development that makes the dream of the SG-1 team to travel throughout the universe in time a reality.

American–Canadian science fiction television series from 1997–2007

The stable wormhole discovered by the Deep Space Nine crew is known to the Bajoran people as the Celestial Temple of their Prophets. Sisko, as discoverer of the wormhole and its inhabitants, is therefore the Emissary of Bajoran prophesy. The wormhole's other end is in the Gamma Quadrant, halfway around the galaxy from Bajor. That section of space is dominated by the malevolent Dominion. The Dominion is led by the Changelings, the race of shapeshifters to which Odo belongs. As of the beginning of the sixth season, Cardassia has joined the Dominion, and together they are waging war on the Federation and their Klingon allies. The war is quickly becoming the most costly war ever for the Federation, and the Deep Space Nine crew must fight to protect their way of life.

American science fiction television series from 1993-1999

After the stories of Jango and Boba Fett, another warrior emerges in the Star Wars universe. The Mandalorian is set after the fall of the Empire and before the emergence of the First Order. We follow the travails of a lone gunfighter in the outer reaches of the galaxy far from the authority of the New Republic.

American space opera streaming television series from 2019

The Federation starship USS Voyager, chasing a band of Maquis rebels, enters the dangerous space nebula known as the Badlands. Both ships are transported by a distant space probe to the Delta Quadrant, 75,000 light-years from Federation space. Voyager's crew and the Maquis form an uneasy truce to rescue crewmen of both ships, kidnapped by the probe's builder, the powerful, dying Caretaker. The Maquis ship is destroyed in a battle with the warlike Kazons. To prevent a Kazon aggression against a helpless world, Voyager destroys the space probe. Without the probe, it will take 75 years for Voyager to travel back to Federation space. With the differences between them rendered meaningless by time and distance, The Federation and Maquis crews unite aboard Voyager. Together, they embark on their new mission: to boldly go - home.

American science fiction television series from 1995–2001

Set in the 24th century and seven to eight decades after the adventures of the original crew of the starship Enterprise, this series is the long-awaited successor to

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