On the eve of Beltane, male witches arrive at Fort Salem; Raelle learns more about Scylla's past; Alder leads an international military council of witches and is startled by a new crisis.

Three witches join basic training at Fort Salem where they'll prepare for the front lines, fighting looming terrorist threats with supernatural tactics and weapons.

The unit travels to Salem Town for a celebration, but a disturbance throws the proceedings into chaos; Tally wonders if she made the right choice to embark on a military career; Abigail attempts to bury the hatchet with Raelle.

Abigail brings the unit to a High Atlantic wedding, in hopes of increasing their odds for War College; Abigail struggles under family pressures, while Raelle leans on Scylla; Tally makes a discovery that will alter the future of the unit.

The base celebrates the rituals of Beltane, during which Tally and Gerit's connection grows, and Abigail finds strength in competition; Raelle is deeply affected by a tragic event and has questions for an evasive Scylla.

Mel and Maggie Vera suffer a shock when their mother dies suddenly, but before they have time to heal from their loss, another surprise shows up on their doorstep in the shape of an older sister -- brilliant geneticist Macy -- whom their mother never told them existed. The emotional stress takes its toll and the girls begin to exhibit impossible new abilities. An explanation comes from an unexpected place: the new chair of the women's studies department. Harry Greenwood reveals that the thee are powerful witches and he is their whitelighter, there to advise and guide them as they battle dark forces.

"A Discovery of Witches" is a fantasy series based on the similarly-named novel of the "All Souls" trilogy, written by Deborah Harkness. Reluctant witch/historian Diana Bishop discovers a bewitched manuscript in the Bodleian library. As she attempts to unravel the secrets this book holds about magical creatures, she is forced back into the world of magic, full of vampires, daemons, witches and forbidden love. Forming an unlikely alliance, geneticist and vampire Matthew Clairmont helps Diana to attempt to protect the book and solve the riddles within, while at the same time dodging threats from the magical creature world.

Sabrina Spellman is a teenager with magical powers who comes from a long line of witches. Until going away to college, she lived with her wacky aunts, who would teach her to use her witchcraft wisely, and Salem, the talking black cat, who always has a scheme up his paw. As a high-school student, Sabrina is less judicious about using her powers than when she enters adulthood. The series is based on a 1960s comic-book series of the same name and an animated TV series that originally aired in the 1970s.

A group of sisters discover they are witches. Luckily for the world, they're of the good variety. Banding together in their ancestral home in San Francisco, they work together to fight evil, with each having a specific special power. Although outwardly they are average women, with jobs, relationships and friends, they are also powerful witches, but when they work together, their powers are enhanced. As The Charmed Ones, their destiny is to protect innocents from evil.

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.

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.

This haunting series follows the thrilling yet terrifying journeys of Sam and Dean Winchester, two brothers who face an increasingly sinister landscape as they hunt monsters. After losing their mother to a supernatural force, the brothers were raised by their father as soldiers who track mysterious and demonic creatures. Violent memories and relationship-threatening secrets add additional burdens on Sam and Dean as they investigate all things that go bump in the night. As old tricks and tools are rendered useless and friends betray them, the brothers must rely on each other as they encounter new enemies.