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.

Xander experiences an adventure of his own when he encounters a group of reanimated corpses out to construct a bomb. Meanwhile, Buffy and her friends battle the forces of evil when the Hellmouth reopens.

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

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

When Buffy gets a job at the Doublemeat Palace, a local fast-food restaurant, she begins to believe that disappearing co-workers and the secret ingredient to the restaurant's hamburger may be connected.

After Dawn talks to a guidance counselor about her feeling lonely, she accidentally puts a spell on Buffy and her friends, trapping them inside the Summer's house with a sword-wielding demon.

Fueled by black magic, Willow targets Andrew and Jonathan, leading to a battle between Buffy and Willow; Spike fights an unstoppable foe.

After sucking all the energy out of Giles, a powerful Willow sets off to destroy the world.

A giant worm-like creature begins stalking a young woman. As the gang begin to investigate, they realise it's appearance in Sunnydale may be linked to Anya.

Giles returns to Sunnydale with three potential slayers, whom Buffy must protect from The First. Meanwhile, a ferocious Uber-vampire is released from the Hellmouth and Buffy must kill it before it kills one of the potentials.

Buffy has to keep the ever increasing number of potential Slayers from panicking while Giles and Anya seek answers from the Beljoxa's Eye.

Buffy takes the Potentials to a demon bar and then to Spike's crypt, in order to teach them the art of slaying. When Willow casts a spell to seek out the next Potential, the spell leads them to believe that Dawn may be a future slayer.