Tommy is faced with his biggest challenge; Erica goes to extremes to make sure her plan succeeds; Luke and Quentin help Malina as she tries to fulfill her great-grandmother's prophecy; Emily and Ren search for Miko; Carlos must make a choice.

Tommy helps Erica with her survival plan as the end of civilization approaches; Malina rushes to reunite with Tommy as a plot against them is formed; Matt Parkman's attempts to make sure he and his family are safe could jeopardize Taylor's safety.

After Noah disappears, Luke and Malina try to save Tommy and stop the extinction of humans; Carlos, Farah and the Haitian face off against Matt Parkman in hopes of freeing the prisoners under his control.

Noah and Luke's destinies intersect as Malina tries to save those around her by unleashing her power; Tommy may be forced to work with his enemy; Carlos confronts his past while under Matt Parkman's watch; Ren looks for Miko.

Noah seeks out Tommy in order to put him on the path to stop a catastrophic event; Taylor's discoveries lead to her capture; Erica's race to finalize her plans intensifies.

Erica puts her plan into motion; Hiro and Angela take on an important mission; Noah has an unexpected reunion with Matt Parkman.

Noah and Hiro join forces to return to the events of June 13, 2014, that set everything in motion; Mohinder receives a message from Angela Petrelli about Erica's motives; Hachiro moves against Hiro.

Noah Bennet takes it upon himself to seek important answers; after making a startling discovery, Tommy and Emily take an unexpected journey; Malina finds an ally; Erica takes measures to interfere with Miko's mission.

Miko's plan may end in trouble; Malina gets closer to the truth; Luke confronts his past; Erica's plans are confirmed.

Noah searches for answers; Miko travels the world in hopes of finding her sword; Tommy must use his ability to save a life; Luke faces surprising obstacles in his relationship with Joanne.

Erica reveals how far she will go to protect the world from Evos; Tommy shares his ability with Emily; Noah and Quentin continue their quest for the truth; an invisible force guides Malina.

People with extraordinary abilities go into hiding after they are blamed for a devastating terrorist attack; Luke and Joanne Collins are determined to avenge the loss of their son; a conspiracy theorist looks for Noah Bennet.

People with extraordinary abilities go into hiding after they are blamed for a devastating terrorist attack; Luke and Joanne Collins are determined to avenge the loss of their son; a conspiracy theorist looks for Noah Bennet.

Ordinary people around the world discover they have super powers. Their lives intertwine as they work together to prevent a catastrophic future.

When a group with nefarious intentions attempts to change the world as we know it by altering the past, Lucy, a historian, Wyatt, a soldier, and Rufus, a scientist, unite to form an unlikely partnership, traveling through time to save history. Their riveting adventures take them to some of the most thrilling, volatile and critical events on record, including a venture to the Old West, a sojourn to the Alamo, a visit to the famous Chicago World's Fair and a crusade into Nazi Germany. Along the way, they cross paths with famous historical icons, such as Josephine Baker, Harry Houdini, Ernest Hemingway and infamous rivals Eliot Ness and Al Capone. But every step the team takes to protect history puts everything we know at risk -- because changing one thing changes everything.

A man from the post-apocalyptic future, Cole uses a dangerous, untested method of time travel to get from 2043 to the present day. He is on a mission to locate and rid the world of the source of the plague that will eventually annihilate the human race. Assisting him is Dr. Cassandra Railly, a virologist who must decide whether to do harm in order to save the world -- regardless of the fact that she has taken the Hippocratic oath. The sci-fi series is based on Terry Gilliam's 1995 film, which starred Bruce Willis as Cole.

At 11, Barry Allen's life changed completely when his mother died in a freak accident and his innocent father was convicted of her murder. Now a crime-scene investigator, his dedication to learn the truth about his mother's death drives him to follow up on every new scientific advancement and urban legend. When his latest obsession -- a particle accelerator heralded as a world-changing invention -- causes an explosion, it creates a freak storm and Barry is struck by lightning. He awakes from a coma nine months later with the power of superspeed. When he learns that others who have gained powers use them for evil, he dedicates himself to protecting the innocent, while still trying to solve the older mystery.

In the not-too-distant future, Los Angeles has been invaded and occupied by outside forces, causing a rift between the city's residents; some have collaborated with the occupation, while others are rebelling and suffering the consequences that come with that choice. Former FBI agent Will Bowman and his wife, Katie, must consider their familial obligations when making their decision because they were separated from their son, Bram, during the invasion. Proxy Snyder, a cunning and powerful leader within the occupational government, offers Will the opportunity to get Bram back if he works with the invading faction. Will's decision doesn't sit well with Katie, but the couple risk their lives -- and their relationship -- to protect their family.

"Arrow" and "The Flash" have some new superhero company in the CW's lineup with the addition of "DC's Legends of Tomorrow." After seeing what doom the future holds, time-traveling rogue Rip Hunter realizes heroes alone are not enough to prevent the impending catastrophe that threatens not only the planet, but all of time itself. Tasked with recruiting both heroes and villains, Rip brings together a ragtag team of divergent talents, which includes the likes of Sara Lance, Ray Palmer, and Heat Wave.

Hundreds of years in the future, things are different than what we are used to after humans have colonized the solar system and Mars has become an independent military power. Rising tensions between Earth and Mars have put them on the brink of war. Against this backdrop, a hardened detective and a rogue ship's captain come together to investigate the case of a missing young woman. The investigation leads them on a race across the solar system that could expose the greatest conspiracy in human history.

Based on Charlaine Harris' book series by the same name, "Midnight, Texas" follows the lives of the strange inhabitants of a small town in the middle of nowhere, where the concept of normal is relative. A haven for vampires, witches, psychics, hit men, and others with extraordinary backgrounds, Midnight gives outsiders a place to belong. Though they are viewed as outcasts everywhere else, the supernatural town members form a strong and unlikely family as they work together to use their powers to survive.

Wynonna Earp has been away from her hometown, Purgatory, for years but returns to reluctantly take on the role that Wyatt Earp's heir is destined for -- demon protector. Her task is to take out Revenants, the resurrected souls of the criminals who were taken down at one time by her great-grandfather. Wynonna teams up with sister Waverly, agent Xavier Dolls and Doc Holliday, the cursed-with-immortality best friend of Wyatt Earp, as they work to stop the Revenants from taking over Purgatory and escaping into the world. The show is based on the graphic novel series of the same name.