At a mountain stronghold, secrets of the Van Helsing family are unearthed and the true face of evil is exposed; a climactic battle between humans and vampires leaves humanity's fate in question.

While the rest of the group fight for survival, Axel and Scarlett defend a mountain stronghold against a relentless foe; Doc makes a medical discovery that could change everything.

Sam and Mohamad's shared past comes back to haunt them in more ways than one; at a secluded campsite in the woods, friendships are put through a baptism by fire.

A mystery unravels when an organization fighting to find a cure for vampirism enlists the help of someone in the group; old loyalties are put to the test with deadly results.

A tense standoff between law enforcement and the survivors erupts into a bloodbath; in a bid to evade a vicious breed of vampire, Axel and Scarlett find themselves hunted like prey.

As the group struggles with the disappearance of one of its own, they accept sanctuary in a town run by its Sheriff and his troops; Dmitri inches closer to achieving his darkest goal.

Vanessa faces off with Dmitri; Axel fights against becoming a full-fledged vampire; Sam tracks Mohamad, Flesh and Lucky; Scab tries to enlist a fierce group of vampires to join Dmitri.

Vanessa's past rushes back to confront her in an unexpected way; a secret is revealed that Doc has been protecting; in a bid to bolster his power, Dmitri sends Scab on an impossible mission.

Vanessa faces off against Sam in a bloody showdown; Dmitri hears news that sends him on a warpath after Vanessa; Flesh, Mohamad and Lucky take desperate steps to save their lives.

Vanessa encounters a group of vampires whose gruesome methods bring savagery to a new level; the Juvenile Delinquents continue their game of cat and mouse with Sam and that has deadly consequences.

Vanessa makes a horrific decision to save her daughter; Axel and a former ally struggle to survive in the wild; a group of juvenile delinquents come face to face with a sadistic vampire.

Vanessa fights to get her daughter out of the citadel; Dmitri and Antanasia hatch a plot to stop Vanessa; Mohamad risks his life to save Vanessa and Dylan.

Vanessa and Mohamad search for Dylan as Dmitri's citadel crumbles around them; Flesh acquires an unexpected ally in one of the Resistance Fighters; Taka clashes with the Vampire Elite.

Now in Dmitri and Rebecca's clutches, Vanessa learns secrets from her past and finds herself at a crossroads; Flesh and the Resistance accelerate their timeline to rescue Vanessa; Mohamad and Sheema finally come to blows over their allegiances.

Vanessa and Mohamad find themselves in a dangerous game of cat-and-mouse against Sam while heading to a vampire-controlled camp; Sheema discovers a secret that could bring down a cell of the Resistance; Julius takes a meeting with Dmitri.

Vanessa and the group take shelter in Susan's family farm, where drastic action is taken against Sam; Rebecca's latest experiment to create Daywalkers fails, and Dmitri's patience grows thin.

Vanessa and the group find refuge among a band of humans who have bargained for peace with vampires; the serial killer among Vanessa's group is finally revealed.

The group is trapped inside an underground lab for military experiments, and Vanessa discovers that Axel has been hiding a secret about her past; Mohamad befriends a girl who doesn't fear vampires; Rebecca makes a calculated play.

Axel leads the surviving members of their group to his old military base for shelter but finds it abandoned, leading to a decision to go underground; separated from Vanessa and the group, Mohamad tries to catch up while navigating hostile territory.

Vanessa and Axel lead the hospital's last stand against a siege by Julius and his vampire soldiers; Dmitri's arrival with his vampire "Death Squad" reveals a possible civil war brewing among the two vampire factions.

Vanessa and Susan are chased by mutated feral vampires in the sewers, arriving back at the hospital only after a hostile takeover.

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.

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.

Dr. Ephraim Goodweather, the head of the CDC's New York-based Canary Project, is called upon to investigate when an airplane lands with everybody on board dead. What his team discovers is a viral outbreak that has similarities to an ancient strain of vampirism. As the virus begins to spread, Goodweather works with his team and a group of the city's residents to wage a war that could hold humanity's fate in its hand. The show's executive producers include Oscar-nominated writer Guillermo del Toro and Emmy-winning producer Carlton Cuse.

Quentin Coldwater, a grad student at Brakebills College for Magical Pedagogy, has been fascinated by the magical fantasy world since he was young. But as he has gotten older, Quentin and his 20-something friends have discovered that the magical world they read about as children is not only real, but poses dangers to humanity. While studying at the secret upstate New York school, the friends struggle to cope with the aftermath of a catastrophe that befalls the institution. The fantasy series is based on a series of novels by Lev Grossman.

Several years since a zombie virus swept across America, there's only one person -- who goes by just Murphy -- known to have survived the infection -- the world's last hope at creating a vaccine. The last functioning viral lab needs blood from him for its antibodies, but the facility is in California and the man is in New York. A ragtag group of strangers works to transport him to the West Coast, but his dark secret remains hidden, which could threaten everyone. Hammond and his second in command, Garnett, initially lead the group of the living -- later replaced by Lt. Warren -- and computer hacker Citizen Z helps everyone navigate through the zombie-infested terrain. When the group meets a man in Colorado, he offers to take Murphy the rest of the way to California. When nuclear weapons are launched, people head into survival mode and become desperate to find a cure.

Klaus, the original vampire/werewolf hybrid, returns to New Orleans -- which his family helped build -- to investigate rumors of a plot against him, in this spinoff of "The Vampire Diaries." He finds his former protege, Marcel, reigning powerful over its inhabitants, causing growing tension in the supernatural community. Klaus' brother, Elijah, joins him, and they learn that werewolf Hayley has fallen into the hands of a defiant witch who has life-changing information. In hope of reclaiming the city, Klaus and Elijah form an uneasy alliance with the witches to help further their cause.

Sarah Michelle Gellar takes on the role of Buffy Summers in this TV version of "Buffy the Vampire Slayer," based on the film of the same title, which starred Kristy Swanson. Buffy is a Slayer, one in a long line of young women chosen for a specific mission: to seek out and destroy vampires, demons and other forces of darkness. Unlike her predecessors, Buffy establishes a group of supportive friends who aids her in her battles with evil, including Willow, Xander and Cordelia. Her battles with evil are frequent, since Sunnydale, where Buffy and friends live, sits atop a gateway to the realm of the demons.