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

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

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

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

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

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

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

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

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.

Buffy's old boyfriend, Riley Finn, shows up unexpectedly as he tracks a demon about to hatch eggs that could wipe out Sunnydale.

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

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.

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

As Joyce's sickness makes her begin doing odd things, a demon emerges from a meteorite and begins killing the mentally ill.

On Halloween, Dawn and her friend go out to make mischief and impress their crushes, but stumble into real danger. Xander announces his engagement to Anya, and Tara worries about Willow's reliance on magic.

Xander and Spike search for the source of a spell that has bewitched the girls into competing for the affections of the high school quarterback.

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.

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

While trying to get a loan, Buffy runs afoul of three deadbeat sorcerers who are using the otherworldly powers of a demon to rob a bank.

Kennedy, a potential Slayer, takes Willow on a date, which is interrupted when Willow finds herself transformed into Warren. The other Potentials go on a retreat with Giles, who the gang realize may have been replaced by the First. Spike's chip is having agonizing malfunctions, and he and Buffy return to the Initiative to search for a fix.

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

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

Glory transforms a snake into a terrifying monster in her quest to find the Key; Joyce is hospitalized after being diagnosed with an illness.