Buffy and her friends risk their lives to prevent the mayor's impending transformation into a pure demon.

A lethal potion weakens Angel; Buffy faces off against Faith for what may be the last time; the mayor prepares for his transformation to pure demon.

Buffy tries to keep a villain from crashing the prom; Xander has a demonic prom date (Emma Caulfield); Cordelia likes the new watcher.

When Buffy acquires the ability to hear other people's thoughts, she uncovers a plot to massacre Sunnydale students, and the others race to find the killer.

Faith and the mayor conspire to rob Angel of his soul; Giles resumes his duties as Watcher when Cordelia distracts Wesley.

A vampire Willow from an alternative universe wreaks havoc and confusion in Sunnydale; Buffy trains to beat out Faith on the Watchers Council tests.

Buffy feels remorse over her behavior with Faith; Wesley instructs Buffy and Faith to investigate the recent murder.

Wanting a taste of the wild life, Buffy follows Faith (Eliza Dushku) into her reckless world of slaying abandon.

Xander mixes with a wild crowd, raising the dead and consorting with fast women, while Buffy and the crew battle an all-female apocalyptic cult.

After being sapped of her strength, Buffy's mettle is tested by a mighty vampire foe in a grim rite of passage on her 18th birthday.

After Joyce discovers two murdered children, she spearheads a town-wide witch hunt, which ultimately ensnares both Willow and Buffy.

Cordelia is granted a wish by an evil genie and moves to another reality where the Master rules with Xander and Willow by his side.

A brokenhearted Spike returns to Sunnydale ready to take revenge on those he blames for his troubles, especially Angel.

The gang is angry when they learn that Buffy secretly has been sheltering Angel, but they must put aside their differences to fight a demonic visitor.

Buffy must take on Mr. Trick again when he causes all the adults in town to act like teenagers; Buffy tries to keep Angel a secret.

Cordelia's apparent lock on the Homecoming Queen title inspires Buffy to show her up; Mr. Trick brings together a band of dangerous killers.

When a student is found mutilated in the woods, Buffy suspects Angel, who has returned after 100 years of infernal torture.

Buffy's effort to settle into normal life is dashed when she is challenged by an ancient villain and his sidekick.

Buffy faces a difficult return to Sunnydale, but must reunite with Xander and Willow to face a new threat from the undead.

Far from home, Buffy takes on a demonic force threatening to destroy inner-city kids living on the streets.

Angel and Drusilla torture an imprisoned Giles; Buffy must prevent the mouth of hell from opening up and swallowing planet Earth.

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 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 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.

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.

One of the definitive shows of the 1990s, "90210" originally follows the lives of Brandon and Brenda Walsh, who both eventually leave the show, and their friends through high school and college into adulthood. In addition to making sideburns momentarily cool again during its run, the show deals with a steady stream of love triangles and other romantic entanglements, and occasionally touches on more serious issues as well.

Based on Charlaine Harris' book series by the same name, "Midnight, Texas" follows the lives of the inhabitants of a small town 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. The town members form a strong and unlikely family as they work together to fend off the pressures of unruly biker gangs, questioning police officers and shades of their own dangerous pasts.