Season 2

Unfortunetly Spike (James Marsters) did not appear in the show until second season.
"School Hard" -
PARENTS IN THE NIGHT night is interrupted by uninvited guests, Buffy (Sarah Michelle Gellar) -- When parent-teacher must protect her fellow studentsprincipal (Armin Shimerman) and her mother (Kristine Sutherland) while keeping her , the secretMeanwhile, Angel's (David Boreanaz) old friends, Spike (guest star James Marsters) and Drusilla (guest star Juliet . Landau Saint Vigeous) - the holy night of attack. 
"Lie To Me" -
LOVE OR LIES fifth grade flame, Billy "Ford" Fordham (guest-star Jason Behr), -- Buffy's (Sarah Michelle Gellar) unexpectedly arrives in Sunnydale with one motive: to deliver Buffy to Spike (James Marsters) in exchange for the immortal life of a vampireMeanwhile, Buffy and Angel (David Boreanaz) confront their feelings for each other and Angel owns up to . his past relationship with Drusilla Landau). 
(Juliet
"What's My Line?"(pt. 1) -
LOVE AT STAKE episode, Buffy (Sarah Michelle Gellar) and Angel (David Boreanaz) finally -- In part one of a two-part go out on their first dateAngel sets out to hunt down his rival, Spike (guest star James Marsters), however, unbeknownst to ; AngelSpike and his new recruits are determined to capture him in hopes of helping the frail Drusilla (guest star Juliet , LandauKendra (guest star Bianca Lawson, "Saved by the Bell: The New Class"). 
); and Buffy encounters her new ally,
"Surprise"
PART ONE OF A NOT TO BE MISSED TWOEPISODE --
-PART The fate of the world is at stake when Spike star James Marsters) and Drusilla (recurring star Juliet Landau) gather (recurring the dismembered body parts of The Judge (guest star Brian Thompson) Ñ a demon with a deadly touch Ñ from the ends of the earth as their ultimate weapon to extinguish The Slayer (Sarah Michelle Gellar). Meanwhile, Angel's (David Boreanaz) ability to feel human emotion is in jeopardy when he and Buffy share an intimate moment which threatens to destroy his soul. 

"Innocence"
THE CONCLUSION OF A SHOCKING TWO PART EPISODE --
After Buffy intimate moment with Angel (David Boreanaz) which extinguishes his human (Sarah Michelle Gellar) shares an soulrealization that she must destroy the now-evil Angel who has transformed into his previous persona of , she is left with the Angelusrelationship with Jenny Calendar (recurring star Robia La Morte) takes . Meanwhile, Giles' (Anthony Stewart Head) on a new twist when he discovers that she is a member of the gypsy family who gave Angel his human soul, and Willow's (Hannigan) hopes of a relationship with Xander (Nicholas Brendon) are dashed when she discovers Xander and Alyson Cordeliaromance. 
's (Charisma Carpenter) secret

Season 3
"Lovers Walk" -
SPIKE'S BACK - Just as Buffy (Sarah Michelle Gellar) enjoys a minute to revel in her S.A.T. scores and ponder her bright future, the underworld version of Sid Vicious, Spike (guest star James Marsters), returns to Sunnydale a fallen man, a pathetic shell of his former self who has been left in the dust by his love Drusilla and is back to punish every one who is to blame, especially Angel (David Boreanaz). Meanwhile, Willow (Alyson Hannigan) prepares a de-lusting spell to keep her and Xander's (Nicholas Brendon) hormones in check during a double bowling date with Cordelia (Charisma Carpenter) and Oz (Seth Green). Anthony Stewart Head also stars. 

Season 4 "The Harsh Light of Day" -
JAMES MARSTERS RETURNS AS SPIKE - The underworld version of Sid Vicious, Spike (new series regular James Marsters), returns to Sunnydale in search of the vampire version of the Holy Grail, a mythical relic that supposedly engenders the wearer with unimaginable powers, and it's up to Buffy (Sarah Michelle Gellar) to stop him. Meanwhile, Buffy is distracted by dating issues as she deals with her feelings for a new boy (guest star Adam Kaufman) who happens to not be a blood-sucking vampire, but is equally as difficult to understand. Xander (Nicholas Brendon) has romance issues of his own when his prom date from last spring, Anya (guest star Emma Caulfield), can't get the X-man out of her mind. Alyson Hannigan, Seth Green and Anthony Stewart Head also star. James A. Contner directed the episode written by Jane Espenson.

"The Initiative" -
THE TRUTH IS DOWN THERE - Unbeknownst to Buffy (Sarah Michelle Gellar) and the gang, Spike (James Marsters) is captured by a commando squad for The Initiative, a mysterious underground laboratory beneath the streets of U.C. Sunnydale. Meanwhile, Buffy's Psych T.A., Riley (guest star Marc Blucas), has a major slayer crush and turns to Willow (Alyson Hannigan) for advice on ways to woo. Nicholas Brendon and Anthony Stewart Head also star. 

"Pangs" -
A DRAMATIC "BUFFY"/"ANGEL" TWO-HOUR EVENT - Unbeknownst to Buffy (Sarah Michelle Gellar), Angel (special guest star David Boreanaz, "Angel") lurks in the shadows of Sunnydale trying to protect her and keep her safe, while her perfect Thanksgiving feast is disrupted by an army of Chumash Indians, the original inhabitants of Sunnydale, whose spirits have come alive to recreate the wrongs that were done to their people. Nicholas Brendon, Alyson Hannigan, James Marsters and Anthony Stewart Head also star. 

"Something Blue" -
SOMETHING OLD, SOMETHING NEW... - Buffy (Sarah Michelle Gellar) is only one of many who must bear the repercussions of a spell gone awry when Willow (Alyson Hannigan), pining over the disappearance of Oz (Seth Green), tries to imbue herself with the power to have her will done. The fallout includes Buffy falling in love with Spike (James Marsters) and planning to marry him, Giles (Anthony Stewart Head) going blind and Xander (Nicholas Brendon) becoming even more of a demon magnet. 

"Hush" -
SILENT NIGHT - A silence falls over Sunnydale when otherwordly beings come to town and steal the power of speech from all the residents. Meanwhile, Riley (Marc Blucas) gets his first clue to Buffy's (Sarah Michelle Gellar) slayerside when they have a fight with the outside visitor, and Willow (Alyson Hannigan) attends a wicca group that's not all she had hoped. Nicholas Brendon, James Marsters and Anthony Stewart Head also star. 

"Doomed" -
WALK DOWN MEMORY LANE - While Buffy (Sarah Michelle Gellar) and Riley (Marc Blucas) grapple to come to terms with what they now know about each other, the reopening of the Sunnydale Hellmouth sends Buffy and the gang back to high school to prevent impending apocalypse. Meanwhile, Spike (James Marsters) has lost all will to live without the ability to kill, but he grows heartened by the approaching end of the world. Nicholas Brendon, Alyson Hannigan and Anthony Stewart Head also star. 

"A New Man" -
ANOTHER BUFFY BIRTHDAY DEBACLE - Buffy (Sarah Michelle Gellar) and Riley (Marc Blucas) explore the extent of each other's powers as they become more romantically entwined. Feeling left out these days, Giles (Anthony Stewart Head) turns to his old buddy Ethan Rayne (guest star Robin Sachs) for camaraderie, but Giles must rely on an unlikely source when he is transformed into a demon and mistakenly hunted down by an unknowing Buffy. Nicholas Brendon, Alyson Hannigan and James Marsters also star. 

"The I in Team" -
FRIEND OR FOE - Buffy's (Sarah Michelle Gellar) friends become hurt and concerned when her involvement with Riley (Marc Blucas) and the Initiative becomes more intense. Meanwhile, Professor Walsh (guest star Lindsay Crouse) sends the slayer on a mission that brings her close to revealing a dangerous secret. Nicholas Brendon, Alyson Hannigan, James Marsters and Anthony Stewart Head also star. 

"Goodbye Iowa" -
MOTHER MAY I - Buffy (Sarah Michelle Gellar) and Riley's (Marc Blucas) relationship is put to the test when she investigates Professor Walsh's (guest star Lindsay Crouse) death and comes up against the Initiative's secret weapon. While Buffy is trying to find a way to save Sunnydale from rogue warrior demon on the loose, Riley becomes paranoid and delusional and challenges Buffy when he discovers that his mentor has been killed. Elsewhere in town, Spike (James Marsters) has become the outcast among demons since he has taken up with the Scooby-Doo Gang. Nicholas Brendon, Alyson Hannigan and Anthony Stewart Head also star. 

"This Year's Girl" -
ELIZA DUSHKU RETURNS AS FAITH IN A TWO-PART EPISODE - Buffy (Sarah Michelle Gellar) is preoccupied with catching the creature that attacked Riley (Marc Blucas), but her problems are just beginning when she learns that Faith (guest star Eliza Dushku) has awakened from her coma and has gone seeking revenge to the only home in which Faith remembers Buffy living. Meanwhile, once she is set free, Faith receives a mysterious gift left behind from the Mayor. Nicholas Brendon, Alyson Hannigan, James Marsters and Anthony Stewart Head also star. 

"Who Are You" -
THE CONCLUSION OF A TWO-PART EPISODE WHEN FAITH RETURNS - Buffy (Sarah Michelle Gellar) battles to escape the clutches of the Watcher's Council special operations team who plan to send her to England, while Faith (guest star Eliza Dushku) continues to wreak havoc in the lives of Buffy's family and friends. Meanwhile, it's Willow (Alyson Hannigan) and Tara (guest star Amber Benson) who figure out Buffy's whereabouts, but not before Faith has done some serious damage to Buffy's relationship with Riley (Marc Blucas). Nicholas Brendon, James Marsters and Anthony Stewart Head also star. 

"Superstar" -
FANTASY VS. REALITY - Buffy (Sarah Michelle Gellar), still reeling from the discovery that Riley (Marc Blucas) was intimate with Faith (guest star Eliza Dushku), must put aside her personal emotions and summon the strength to uncover why the entire town thinks that former high school nerd, Jonathan (guest star Danny Strong), is Sunnydale's newest version of a superhero. Alyson Hannigan, Nicholas Brendon, James Marsters and Anthony Stewart Head also star. 

"Where the Wild Things Are" -
LOST IN LUST - Buffy (Sarah Michelle Gellar) and Riley (Marc Blucas) unleash a powerful supernatural force that awakens during a Lowell House fraternity party and causes everyone's hormones to kick into overdrive, threatening the very lives of Buffy and Riley. In order to free them, the gang must battle the spirits of children from the 1950s who have come back to avenge past abuses. Alyson Hannigan, Nicholas Brendon, James Marsters and Anthony Stewart Head also star. 

"The Yoko Factor" -
DAVID BOREANAZ GUEST-STARS IN A SHOWDOWN FOR BUFFY'S HEART - Buffy (Sarah Michelle Gellar) is even more certain of her love for Riley (Marc Blucas) when Angel's (guest star David Boreanaz, "Angel") surprise visit to Sunnydale brings Riley and Angel to blows. Meanwhile, Spike (James Marsters) joins forces with Adam (guest star George Hertzberg) and devises a plan to tear the Slayer apart from her gang, leaving her wide open for her enemies to attack. 

"Primeval" -
DEMONS ALL 'ROUND - Buffy's (Sarah Michelle Gellar) estrangement from her friends and Giles (Anthony Stewart Head) threatens to keep the group from stopping Adam's (guest star George Hertzberg) plan to design a master race of human/demon hybrids. Elsewhere, Riley (Marc Blucas) is captured by Adam and learns that before Professor Walsh death, she had implanted Riley with a chip that could destroy his power and bond him to Adam forever. Nicholas Brendon, Alyson Hannigan, James Marsters and Emma Caulfield also star. 

"Restless" -
THE CHEESE STANDS ALONE IN A SEASON FINALE WRITTEN AND DIRECTED BY JOSS WHEDON - A primal animal force stalks Buffy (Sarah Michelle Gellar), Willow (Alyson Hannigan), Xander (Nicholas Brendon) and Giles (Anthony Stewart Head) in their nightmares as they each come face to face with their worst fears. James Marsters, Marc Blucas and Emma Caulfield.

Season 5