This supernatural drama, based on the series of novels by L.J. Smith, details the lives of two brothers, Damon and Stefan Salvatore, who have been living as vampires for centuries. After years of moving from from place-to-place to hide their eternal youth (and bloodthirsty condition), the brothers return to the small Virginia town, Mystic Falls, where their lives as humans ended. Damon is snarky, handsome and charming, with a propensity for evil, while Stefan tries to remain noble -- in part to atone for bad behavior in his past.

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.

In one of the longest-running science fiction series in network TV history, FBI special agents investigate unexplained, mind-bending cases known as "X-Files." Though the government is convinced that the outlandish reports are false, conspiracy theorist Fox Mulder (David Duchovny) and realist Dana Scully (Gillian Anderson), for most of the series, stop at nothing to prove that "the truth is out there." Series creator Chris Carter also serves as executive producer of the thrilling pop-culture phenomenon.

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.

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.

"Once Upon a Time" tells the story of a new world, one in which fairy-tale legends and modern life collide. Emma Swan (Jennifer Morrison) is comfortable in her life as a bail bonds collector when Henry -- the child she gave up a decade earlier -- suddenly shows up. He is convinced that she is the daughter of Snow White and Prince Charming, who sent her away before the Evil Queen could cast a spell, freezing the fairytale world in time and bringing them to present-day Storybrooke, Maine. After taking Henry home, Emma decides to stay in the town to keep an eye on him, and she discovers he may not be wrong after all.