When teen vampire slayer Buffy tries to start a new life at Sunnydale High, she discovers that the school sits atop a demonic dimensional portal.

Buffy and her friends encounter a powerful vampire bent on opening a portal to a dimension inhabited by demons.

Buffy suspects she has a witch on her hands when the cheerleading squad falls victim to sudden blindness and spontaneous combustion.

Buffy's biology teacher is killed by a giant praying mantis that assumes the form of a beautiful substitute teacher.

With Buffy preoccupied by her date with Owen, Giles is trapped by a group of vampires seeking to raise a powerful leader.

Xander and several other students are possessed by the spirit of a demonic breed of hyenas that wreak havoc at the high school.

Buffy discovers Angel's dark secret and hesitates to do anything about it, which could spell danger for someone she loves.

Willow's new Internet chat buddy turns out to be a powerful demon electronically unleashed from a centuries-old, newly digitized book.

Buffy suspects that a ventriloquist's dummy may be harvesting organs from classmates performing in a talent show.

A series of strange occurrences lead Buffy and her friends to discover that their worst nightmares have literally become reality.

When an invisible menace starts attacking students and faculty at Sunnydale High, the Scooby Gang traces the problem back to Cordelia.

Buffy's life may hang in the balance as Giles uncovers an ancient book that foretells not only her death, but also the end of the world.

Buffy returns from summer vacation sporting an attitude and suffers from recurring nightmares involving the Master. Meanwhile, the Anointed One and his followers plot their revenge.

Two science club nerds use body parts to create the "perfect girlfriend" for a teenager who has been brought back from the dead.

Buffy's mother and friends become trapped inside Sunnydale High School when a vampire named Spike launches an attack against the Slayer on Parent-Teacher night.

An Incan Princess mummy is reanimated in Sunnydale where she sucks the life force from others in order to stay alive.

Buffy and Cordelia inadvertently attend a frat party hosted by a murderous cult.

On Halloween, Buffy and her friends patronize an unusual costume shop where customers turn into whatever costume they are wearing.

Buffy is lured into a trap by a group of undead wannabes who hope that Spike will make them vampires in exchange for giving him the Slayer.

Giles' past comes back to haunt him as a demon he and Ethan Rayne summoned in their wild youth seeks them out in Sunnydale.

Spike brings in three professional bounty hunters to eliminate Buffy while she ponders on what her profession might be if her fate wasn't already sealed.

Buffy joins forces with another Slayer in hopes of saving Angel from the clutches of Spike and Drusilla.

Buffy's mom introduces her new boyfriend, who charms everyone except Buffy. When she confronts his dark side, she is left questioning her actions.

Buffy and her friends are given eggs to take care of for a health class assignment, but aren't prepared for what hatches.

To give Buffy a surprise on her 17th birthday, Drusilla and Spike bring together the body parts of a dismembered demon who cannot be killed.

Buffy and her friends battle the Judge and face unexpected danger from Angel, who has lost his soul after experiencing a moment of true happiness.

Buffy and her friends discover secrets about themselves as they battle a werewolf, its hunter, and their own emotions.

As Valentine's Day approaches, Xander tries to improve his love life through witchcraft and finds himself with too much of a good thing.

Angel steps up his torment of Buffy and her friends as Jenny searches for a way to restore his soul.

While hospitalized with a severe case of the flu, Buffy investigates the young patients' fear that Death is stalking the children's ward.

Sunnydale High School is haunted by the ghosts of a former student and teacher who reenact their tragic romance through the bodies of the school's current inhabitants.

Members of the Sunnydale swim team are killed by a gill monster of unknown origins.

Angel plots to revive an ancient demon bent on sweeping everything on earth into hell itself.

Spike strikes an unlikely alliance with Buffy to keep Angel from destroying the world.

Buffy -- living on her own in a big city -- assists a girl whose boyfriend has mysteriously vanished. Back in Sunnydale, Buffy's friends do their best to battle the forces of evil without her.

A Nigerian mask reanimates the dead, forcing Buffy to battle a horde of zombies.

A charismatic Slayer visits Sunnydale and wins over many of Buffy's friends. Meanwhile, two powerful vampires plot an attack.

Oz becomes the prime suspect when a series of animal-like attacks occur in Sunnydale.

As Buffy and Cordelia vie for Homecoming Queen, a group of killers gather to participate in SlayerFest '98.

Mr Trick enlists Giles' old buddy Ethan Rayne to manufacture and distribute boxes of candy which turn the adult population into uninhibited, irresponsible teenagers to keep them out of the way while the mysterious Mayor Wilkins pays a tribute to a demon.

With some help from Faith's new watcher, Buffy seeks to destroy a weapon-like glove before it falls into the hands of a demon.

Spike returns to Sunnydale and kidnaps Willow in hopes of creating a magic spell that will make Drusilla love him again.

Cordelia's wish for a Buffy-free Sunnydale comes true, plunging her into a world where vampires have control of the town.

As the Christmas holiday approaches, Angel is tormented by evil apparitions who want him to eliminate Buffy.

After discovering the corpses of two young children bearing a symbol linked to the occult, Joyce spearheads a campaign to rid Sunnydale of witches.

As her birthday approaches, Buffy loses her slayer powers and must do battle with a vampire who is not only extremely powerful but also quite mad.

Feeling useless due to his lack of supernatural powers, Xander becomes obsessed with becoming cool and falls in with a dangerous crowd. Meanwhile, the rest of the gang race to prepare for the Hellmouth to reopen.

Faith convinces Buffy to live on the wild side, with fatal consequences.

A homicide detective closes in on Buffy and Faith as he investigates the deputy mayor's death.

While casting a magic spell, Anya and Willow accidentally summon Willow's evil double from an alternate universe.

As Faith attempts to seduce Angel and steal his soul, the Mayor summons a dark-magic demon to finish the job.

The Mayor takes Willow prisoner after Buffy and her friends steal away a box containing demonic energy needed for Ascension Day.

After Angel breaks off their relationship, Buffy single-handedly battles three fearsome hell hounds so that her classmates can enjoy their senior prom.

In an effort to distract Buffy from the Ascension, the mayor instructs Faith to poison Angel.

On Ascension Day, Buffy and her friends prepare for the ultimate battle as they face off againstthe mayor and a horde of vampires.

A mouthless demon infects Buffy with the ability to hear everyone's thoughts, but what starts out as a useful power soon turns into a curse.

Buffy feels like a fish out of water in her first year at college, but the mysterious disappearance of a fellow student puts her back in her element.

Buffy finds herself at odds with her new roommate and is troubled by a series of disturbing dreams involving a soul-sucking demon.

As Buffy gets to know a charming student named Parker, Spike searches obsessively for a possibly-mythical treasure.

On Halloween, Buffy and her friends find themselves trapped inside a haunted frat house complete with real bats, zombies, and a terrifying demon.

Xander finds employment as a bartender at a pub where some of Buffy's friends turn into terrifying Cro-Magnon creatures.

When Oz falls hard for a sexy singer who also happens to be a werewolf, he must choose between Willow and his own animal instincts.

Spike finds himself targeted by a group of commandos after he escapes from a military lab underneath the Sunnydale campus.

On Thanksgiving, Buffy encounters the spirit of a Native American warrior whose people were wiped out by settlers.

One of Willow's spells causes her statements to become reality, with consequences both entertaining and life-threatening.

When everyone in Sunnydale loses their voice, the Scooby Gang must silently solve the mystery of the monsters who stole their ability to speak.

While attempting to redefine her relationship with Riley, Buffy must also stop demons that are determined to reopen the Hellmouth.

Ethan Rayne returns to town and transforms Giles into a demon. Spike is the only one who can help.

Buffy teams with Riley after she is allowed access to the Initiative; Spike is targeted by commandos.

Tension erupts between Buffy and an ailing Riley as they pursue Professor Maggie Walsh's killer.

Faith awakens from her coma and seeks revenge against Buffy.

Having switched bodies with Buffy, Faith enjoys freedom. Meanwhile, Buffy finds herself at the mercy of the Watcher's Council.

Buffy senses that something is amiss when Jonathan becomes a hero to everyone in Sunnydale.

Buffy and Riley's passionate lovemaking energizes supernatural elements inside a frat house.

Oz's return to Sunnydale leads to his incarceration by the Initiative and complicates the relationship between Willow and Tara.

After joining forces with Adam, Spike drives a wedge between Buffy and her friends. Meanwhile, Angel's return to Sunnydale leads to a violent confrontation with Riley.

Having gained control of Riley's mind, Adam sets in motion his plot to create an army of unstoppable soldiers and destroy the Initiative.

Buffy, Willow, Xander, and Giles experience dreams in which they are pursued by a mysterious figure.