Layton uses his new position as train detective to investigate the murder while gathering intelligence for the revolution on the side; Melanie faces a resource crisis, with potentially drastic consequences for the entire train.

A grisly murder stokes class division on Snowpiercer, the Great Ark Train; Melanie Cavill, the powerful head of hospitality, deputizes a dangerous rebel to help solve the killing -- Andre Layton, the world's only surviving homicide detective.

A shocking twist in the murder investigation brings Layton and Till's manhunt to a cat-and-mouse climax; Layton gets closer to Melanie's big secret, which may prove the most dangerous game of all.

Layton descends into Snowpiercer's black market with Till, searching for both the killer and a valuable commodity for his revolution; Melanie stages a prize fight to distract the passengers from mounting class tension.

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.

Based on the comic book series written by Robert Kirkman, this gritty drama portrays life in the months and years that follow a zombie apocalypse. A group of survivors travel in search of safety and security, constantly on the move in search of a secure home. But the pressure each day to stay alive sends many in the group to the deepest depths of human cruelty, and they soon discover that the overwhelming fear of the survivors can be more deadly than the zombies walking among them. At times, the interpersonal conflicts present a greater threat to their continuing survival than the walkers that roam the country.

Based on the best-selling novel "Point of Impact" by Stephen Hunter, and the 2007 feature film starring Mark Wahlberg, the series stars Ryan Phillippe ("Secrets and Lies") and follows the courageous journey of Bob Lee Swagger, a highly-decorated ex-Marine sniper who is coaxed back into action after he learns about a plot to kill the president. When Swagger's former commanding officer Isaac Johnson, played by Omar Epps ("House"), solicits his expertise in a clandestine operation, Swagger re-emerges from exile only to discover that he is inextricably involved in a disastrous operation with ties to his past.

In this reimagining of the classic Dracula story, the world is dominated by vampires, requiring humans to work together to survive. The series centers on Vanessa Helsing, daughter of famed vampire hunter Abraham Van Helsing, who wakes up after a five-year coma to discover a vampire-controlled world. She soon learns that she possesses a unique blood composition that makes her immune to vampires and able to turn the creatures into humans. That power puts humanity's last hope to return the world to how it once was before the vampires took over in Vanessa's hands.

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.

At the helm of the USS Nathan James en route to the Arctic, Capt. Tom Chandler learns that the destroyer will be in the best possible place -- a circumstance his crew must utilize -- to save humanity from extinction. A virus has wiped out more than half the population since the ship embarked, and despite orders from the U.S. government to return, Chandler -- believing home is now a shadow of itself -- decides the safest place to develop a vaccine is at sea. That task falls mainly to virologist Dr. Rachel Scott, a civilian originally assigned to the Nathan James to study birds. "The Last Ship" is based on a novel by William Brinkley and is executive-produced by filmmaker Michael Bay ("Transformers").

When nuclear Armageddon destroys civilization on Earth, the only survivors are those on the 12 international space stations in orbit at the time. Three generations later, the 4,000 survivors living on a space ark of linked stations see their resources dwindle and face draconian measures established to ensure humanity's future. Desperately looking for a solution, the ark's leaders send 100 juvenile prisoners back to the planet to test its habitability. Having always lived in space, the exiles find the planet fascinating and terrifying, but with the fate of the human race in their hands, they must forge a path into the unknown.

When civilization reaches its apocalyptic end, the Copeland family survives the end of the world as they know it, but what will the new world be like? Turns out it's scary, with supernatural creatures, massive storms and a plague among the things that the Copelands must deal with while facing the rapid decline of the new civilization around them. Patriarch Joshua's study of world cultures comes in handy when he has to help his family survive in the new world as wife Karen, a former Air Force pilot, draws upon her combat skills and survival training to protect her loved ones.

This update of the late-1970s series takes a decidedly darker tone as what's left of humankind struggles for survival against the robot Cylons, who have killed millions. The Galactica, led by William Adama, protects a patched-together fleet of civilians -- led by de facto president Laura Roslin -- in search of a mythical planet called Earth.