As Buffy gets to know a charming student named Parker, Spike searches for a ring that, according to legend, makes the wearer invincible.

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

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

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

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

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

When a demon creates a Xander double, the real Xander must convince his friends of his true identity.

Buffy and her friends encounter an incredibly strong female robot with only one thing on its mind - love.

Realizing they may never be able to vanquish Glory, Buffy and the gang decide to flee Sunnydale in Spike's R.V. to protect Dawn.

After Jonathan, Andrew, and Warren accidentally kill Warren's ex-girlfriend Katrina, they set Buffy up to make her believe it was she who killed the girl.

Anya returns to Sunnydale, bent on revenge for Xander leaving her at the altar. She has since become a Vengence demon again, but ends up hurting Xander in a way she never expected.

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.

Willow's return proves problematic when she is literally unable to see her friends--and is left with a creature that paralyzes its victims.

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.

After their horrifying loss at the vineyard, the gang turn against Buffy and begin to follow Faith instead. Meanwhile, Spike and Andrew travel to an old church to question a priest about Caleb.