The following teasers are from the old official Buffy site (The WB)

1. When She Was Bad
2. Some Assembly Required
3. School Hard
4. Incan Mummy Girl
5. Reptile Boy
6. Halloween
7. Lie To Me
8. The Dark Age
9. What's My Line (Part 1)
10.What's My Line (Part 2)
11.Ted
12.Bad Eggs
13.Surprise
14.Innocence
15.Phases
16.Bewitched, Bothered, and Bewildered
17.Passion
18.Killed By Death
19.I Only Have Eyes For You
20.Go Fish
21.Becoming(Part 1)
22.Becoming(Part 2)

"When She Was Bad"
BACK TO SCHOOL -- When Buffy (Sarah Michelle Gellar) returns home to Sunnydale after a spending the summer away, Xander (Nicholas Brendon) and Willow (Alyson Hannigan) become concerned with her disturbingly cold and distant behavior. Meanwhile, Cordelia (Charisma Carpenter) and Sunnydale High teacher Ms. Calendar (guest star Robin LaMorte) are kidnapped and Buffy is convinced that the fight to protect them and the world from the undead is hers alone. Still relucant to risk getting close to Angel (David Boreanaz), Buffy turns him away before either one can express his or her true feelings. Anthony Stewart Head also stars. Joss Whedon wrote and directed the episode.
Episode: 5V01
Original Air Date: September 15, 1997

"Some Assembly Required"
LAND OF THE LIVING DEAD -- When the body parts of dead girls are discovered missing from their graves, Buffy (Sarah Michelle Gellar) and her posse discover that the parts are being used to create the perfect woman, with the final touch being Cordelia's (Charisma Carpenter) head. Meanwhile, Giles (Anthony Stewart Head) finally musters the nerve to ask fellow teacher Ms. Calendar (Robia La Morte) out on a date and Angel (David Boreanaz) admits his jealousy over the amount of time Buffy spends with Xander (Nicholas Brendon). Alyson Hannigan also stars. Ty King wrote the episode directed by Bruce Seth Green.
Episode: 5V02
Original Air Date: September 22, 1997

"School Hard"
PARENTS IN THE NIGHT -- When parent-teacher night is interrupted by uninvited guests, Buffy (Sarah Michelle Gellar) must protect her fellow students, the principal (Armin Shimerman) and her mother (Kristine Sutherland) while keeping her secret. Meanwhile, Angel's (David Boreanaz) old friends, Spike (guest star James Marsters) and Drusilla (guest star Juliet Landau) visit Sunnydale for The Night Of Saint Vigeous - the holy night of attack. Nicholas Brendon, Alyson Hannigan, Charisma Carpenter and Anthony Stewart Head also star. Joss Whedon and David Greenwalt wrote the story with teleplay by David Greenwalt and directed by John Kretchmer.
Episode: 5V03
Original Air Date: September 29, 1997

"Incan Mummy Girl"
MUMMY MAY I -- Buffy (Sarah Michelle Gellar) and Giles (Anthony Stewart Head) are suspicious of Ampata (guest star Ara Celi), a Peruvian exchange student staying at Buffy's house, when a fellow student goes missing during a school field trip to the Natural History Musueum and a broken Peruvian pictogram-cover plate is found in his place. Meanwhile, after Xander (Nicholas Brendon) falls head over heels for Ampata, he faces certain death when his love interest is revealed to be an ancient mummy who must kill to stay alive. Alyson Hannigan, Charisma Carpenter and David Boreanaz also star. Ellen S. Pressman directed the episode written by Matt Kiene and Joe Reinkemeyer.
Episode: 5V04
Original Air Date: October 6, 1997

"Reptile Boy"
BEAUTY AND THE BEAST -- Buffy (Sarah Michelle Gellar) and Cordelia (Charisma Carpenter) become unlikely party pals when at a fraternity bash they are offered as human sacrifices to Machida (guest star Robin Atkin Downes), a horrible half-man, half-snake creature. Nicholas Brendon, Alyson Hannigan, David Boreanaz and Anthony Stewart Head also star. David Greenwalt wrote and directed the episode.
Episode: 5V05
Original Air Date: October 13, 1997

"Halloween"
TRICK OR TREAT -- Buffy (Sarah Michelle Gellar), Willow (Alyson Hannigan) and Xander (Nicholas Brendon) are recruited by Principal Snyder (Armin Shimerman) to trick-or-treat with the neighborhood kids, but the night doesn't turn out as they had planned when Buffy's costume causes her to lose her slaying ability and the other kids transform into their costume characters. Meanwhile, when Giles (Anthony Stewart Head) begins to paste together the night's events, he learns that it's his past that is making this a very haunted Halloween. Charisma Carpenter and David Boreanaz also star. Bruce Seth Green directed the episode written by Carl Ellsworth.
Episode: 5V06
Original Air Date: October 27, 1997

"Lie To Me"
LOVE OR LIES -- Buffy's (Sarah Michelle Gellar) fifth grade flame, Billy "Ford" Fordham (guest-star Jason Behr), unexpectedly arrives in Sunnydale with one motive: to deliver Buffy to Spike (James Marsters) in exchange for the immortal life of a vampire. Meanwhile, Buffy and Angel (David Boreanaz) confront their feelings for each other and Angel owns up to his past relationship with Drusilla (Juliet Landau). Joss Whedon wrote and directed the episode.
Episode: 5V07
Original Air Date: November 3, 1997

"The Dark Age"
RUNNING FROM THE PAST -- Giles' (Anthony Stewart Head) quiet existence in Sunnydale is jeopardized when a murder victim, who is found to be linked to Giles' past, is discovered on the steps of the school library. Meanwhile, when the Mark of Eyghon Ñ a demon that takes possession of a dead host Ñ takes over Ms. Calendar (recurring star Robia LaMorte), Buffy (Sarah Michelle Gellar) and Angel (David Boreanaz) discover the one way to save her soul. Alyson Hannigan, Nicholas Brendon and Charisma Carpenter also star. Bruce Seth Green directed the episode written by Dean Batali and Rob DesHotel.
Episode: 5V08
Original Air Date: November 10, 1997

"What's My Line?"(part 1)
LOVE AT STAKE -- In part one of a two-part episode, Buffy (Sarah Michelle Gellar) and Angel (David Boreanaz) finally go out on their first date; Angel sets out to hunt down his rival, Spike (guest star James Marsters), however, unbeknownst to Angel, Spike and his new recruits are determined to capture him in hopes of helping the frail Drusilla (guest star Juliet Landau); and Buffy encounters her new ally, Kendra (guest star Bianca Lawson, "Saved by the Bell: The New Class"). Nicholas Brendon, Alyson Hannigan, Charisma Carpenter and Anthony Stewart Head also star. David Solomon directed the episode written by Howard Gordon and Marti Noxon.
Episode: 5V09
Original Air Date: November 17, 1997

"What's My Line?"(part 2)
LOVE AT STAKE -- In this conclusion of a two-part episode, Buffy (Sarah Michelle Gellar) reluctantly confronts Kendra (guest star Bianca Lawson, "Saved by the Bell: The New Class") the new vampire slayer, only to find that the two are polar opposites in every way. Much to Buffy's chagrin, she must join forces with Kendra to save the man who means the most to her Ñ Angel (David Boreanaz). Meanwhile, with Buffy on the hunt, Xander (Nicholas Brendon) and Cordelia (Charisma Carpenter) are left to wait at Buffy's home where they have a close encounter of their own kind. Alyson Hannigan and Anthony Stewart Head also star. David Semel directed the episode written by Marti Noxon.
Episode: 5V10
Original Air Date: November 24, 1997

"Ted"
JOHN RITTER GUEST-STARS -- The whole gang falls for Buffy's (Sarah Michelle Gellar) mom's (Kristine Sutherland) new boyfriend, Ted (guest star John Ritter, "Three's Company") everyone, that is, except Buffy, who suspects there may be more to him than meets the eye. Meanwhile, Giles (Anthony Stewart Head) tries to repair his relationship with Ms. Calendar (Robia LaMorte) after her near-death experience with a demon; and still reluctant to let anyone know about their romantic involvement, Xander (Nicholas Brendon) and Cordelia (Charisma Carpenter) continue to hide their rendezvous from their friends. Alyson Hannigan and David Boreanaz also star. Bruce Seth Green directed the episode written by David Greenwalt and Joss Whedon.
Episode: 5V11
Original Air Date: December 8, 1997

"Bad Eggs"
THERE'S SOMETHING ROTTEN IN SUNNYDALE -- Buffy (Sarah Michelle Gellar) and the gang are introduced to parenting through a school assignment that takes a very rotten turn. Meanwhile, two wild west vampires (guest stars Jeremy Ratchford and James Parks) come to town hunting for Buffy. At the same time, romance is in the air when Buffy and Angel (David Boreanaz) continue to rendenzvous and Xander (Nicholas Brendon) and Cordelia (Charisma Carpenter) keep their liaison in the closet. Alyson Hannigan and Anthony Stewart Head also star. David Greenwalt directed the episode written by Marti Noxon.
Episode: 5V12
Original Air Date: January 12, 1998

"Surprise"
PART ONE OF A NOT TO BE MISSED TWO-PART EPISODE -- The fate of the world is at stake when Spike (recurring star James Marsters) and Drusilla (recurring star Juliet Landau) gather 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. Nicholas Brendon, Alyson Hannigan, Charisma Carpenter and Anthony Stewart Head also star. Michael Lange directed the episode written by Marti Noxon.
Episode: 5V13
Original Air Date: January 19, 1998

"Innocence"
THE CONCLUSION OF A SHOCKING TWO PART EPISODE -- After Buffy (Sarah Michelle Gellar) shares an intimate moment with Angel (David Boreanaz) which extinguishes his human soul, she is left with the realization that she must destroy the now-evil Angel who has transformed into his previous persona of Angelus. Meanwhile, Giles' (Anthony Stewart Head) relationship with Jenny Calendar (recurring star Robia La Morte) takes 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 (Alyson Hannigan) hopes of a relationship with Xander (Nicholas Brendon) are dashed when she discovers Xander and Cordelia's (Charisma Carpenter) secret romance. Joss Whedon wrote and directed the epsiode.
Episode: 5V14
Original Air Date: January 20, 1998

"Phases"
WEREWOLF IN SUNNYDALE -- When a werewolf descends upon the city of Sunnydale, it is up to Buffy (Sarah Michelle Gellar) and the gang to protect the mostly-human being from an evil poacher (guest star Jack Conley) who is hunting the animal for sport. Meanwhile, much to Xander's (Nicholas Brendon) dismay, Willow (Alyson Hannigan) turns her romantic interests to Oz (guest star Seth Green), unaware of the danger she is about to face. Charisma Carpenter, Anthony Stuart Head, and David Boreanaz also star. Written by Rob DesHotel and Dean Batali - Directed by Bruce Seth Green.
Episode: 5V15
Original Air Date: January 27, 1998

"Bewitched, Bothered and Bewildered"
EVERYONE LOVES XANDER -- When Cordelia (Charisma Carpenter) succumbs to peer pressure and breaks off her tryst with Xander (Nicholas Brendon), on Valentine's Day, he convinces a witch (guest star Elizabeth Anne Allen) to put a spell on Cordelia which will make her fall in love with him. But when the spell backfires, the women in Sunnydale, except Cordelia, and including Buffy (Sarah Michelle Gellar) and Drusilla (recurring star Juliet Landau) begin to see Xander in a whole new light. Alyson Hannigan, David Borenaz and Anthony Stewart Head also star. Written by Marti Nixon - Directed by James A. Contner.
Episode: 5V16
Original Air Date: February 10, 1998

"Passion"
IN THE HEAT OF THE NIGHT -- Angel's (David Boreanaz) obsession with tormenting Buffy (Sarah Michelle Gellar) takes a dangerous turn when he starts edging closer to her heart - and home, forcing Buffy to have a serious talk with her mom (Kristine Sutherland). Meanwhile, Jenny (Robia La Morte) is doing everything in her power to right her wrongs, especially the one with Giles (Anthony Stewart Head). Nicholas Brendon, Alyson Hannigan, Charisma Carpenter also star. Written by Ty King - Directed by Michael Gershman.
Episode: 5V17
Original Air Date: February 24, 1998

"Killed By Death"
THE GHOST OF CHILDHOOD PAST -- Buffy (Sarah Michelle Gellar) is admitted to the hospital with a raging fever where she encounters a young child (guest-star Andrew Ducote) who brings with him nightmares of Buffy's past and present. Meanwhile, a jealous Cordelia (Charisma Carpenter) looks on as Xander (Nicholas Brendon) protects a weakened Buffy from Angel's fury. Alyson Hannigan and Anthony Stewart Head. Written by Rob DesHotel and Dea Batali - Directed by Deran Sarafian.
Episode: 5V18
Original Air Date: March 3, 1998

"I Only Have Eyes For You"
LOVE IS FOREVER -- Buffy (Sarah Michelle Gellar) encounters a tortured spirit haunting the halls of Sunnydale High and recruits her friends to help the bitter spirit in its quest for peace. Meanwhile, Giles (Anthony Stewart Head) is filled with anguish when he believes the spiritual being is Jenny trapped and trying to impart a final message to him from the beyond. Nicholas Brendon, Alyson Hannigan, Charisma Carpenter, David Boreanaz also stars. Written by Marti Noxon - Directed by James Whitmore Jr.
Episode: 5V19
Original Air Date: April 28, 1998

"Go Fish"
SOMETHING FISHY -- When a monster starts preying on members of the high school swim team, Buffy (Sarah Michelle Gellar) takes it upon herself to become the protector of the star players. Meanwhile, Xander (Nicholas Brendon) goes undercover to discover the truth about the missing teammates and ends up revealing a rarely seen side of himself. Alyson Hannigan, Charisma Carpenter, David Boreanaz and Anthony Stewart Head also star. Written by David Fury and Elin Hampton - Directed by David Semel.
Episode: 5V20
Original Air Date: May 5, 1998

"Becoming (Part One of a Two-Part Season Finale)"
PART 1 OF A HEART POUNDING SEASON FINALE -- A web of conspiracy, suspense and heart break surround the second season finale of "Buffy the Vampire Slayer." Buffy (Sarah Michelle Gellar) determines the time has come to destroy Angel (David Boreanaz) and must ascertain if she is ready to sacrifice all she knows to be true to do so, but her decision is further entangled when Willow (Alyson Hannigan) uncovers the secret that may restore Buffy's former beloved. Elsewhere, Angel chooses to unearth an evil demon that could swallow the earth and all of the beings, rather than return to the arms of his former lover. Nicholas Brendon, Charisma Carpetner and Anthony Stewart Head also star. Written and Directed by Joss Whedon.
Episode: 5V21
Original Air Date: May 12, 1998

"Becoming (Part Two of a Two-Part Season Finale)"
PART 2 OF A HEART POUNDING SEASON FINALE -- The suspense continues as hell prepares to swallow the world and Buffy (Sarah Michelle Gellar) is left alone to stop it. With Giles (Anthony Stewart Head) in the hands of the enemy and Angel (David Boreanaz) primed for destruction, our slayer is forced into some treacherous alliances and faced with life-changing decisions. Nicholas Brendon, Alyson Hannigan, and Charisma Carpenter also star. Written and Directed by Joss Whedon.
Episode: 5V22
Original Air Date: May 19, 1998