The current leader, as determined by science and 74,393 votes, is:
Buffy and the gang are crushed by the death of Joyce. Dawn goes to the morgue to see the body and is attacked by a vampire. Buffy saves her and watches as Dawn reaches to touch Joyce. (Season 5) (Writer: Joss Whedon. Director: Joss Whedon)
Chosen in 88% of 1091 fights!
As for the rest of the contestants...
Buffy and the gang set out to rescue Dawn and fight Glory as the ritual commences. Also, Buffy finally realizes the meaning of "Death Is Your Gift." (Season 5) (Writer: Joss Whedon. Director: Joss Whedon)
Chosen in 87% of 1003 fights!
Becoming (Part 2)
With Kendra murdered by Drusilla, Willow in the hospital with head trauma, and Giles kidnapped by Angelus, Buffy must decode Whistler's cryptic clues and accept help from an unexpected source (Spike) to stop Angelus in order to prevent the world from being sucked into Acathla's hell dimension. (Season 2) (Writer: Joss Whedon. Director: Joss Whedon)
Chosen in 84% of 1038 fights!
The Gentlemen steal the voices of the population of Sunnydale, rendering everyone in the town (including the Scooby Gang) unable to speak. Giles reveals that the only thing that can defeat The Gentleman is a real human scream. This episode is mostly silent (aside from music) from the point The Gentlemen steal Sunnydale's voices. (Season 4) (Writer: Joss Whedon. Director: Joss Whedon)
Chosen in 84% of 1064 fights!
Because he finds even "one moment of true happiness" in Buffy's arms, Angel's curse is nullified; he loses his soul and reverts to his former self, the vicious super-evil killer vampire, Angelus who teams up with Spike and Drusilla to have the Judge destroy humanity. Jenny Calendar turns out to be a Gypsy spy. Devastated by these betrayals, Buffy still takes out the reputedly indestructible Judge using her birthday present from Xander‚ a stolen rocket launcher. (Season 2) (Writer: Joss Whedon. Director: Joss Whedon)
Chosen in 82% of 1070 fights!
Once More, with Feeling
A mysterious force compels Sunnydale residents to break out into song and dance numbers that reveal their true feelings, and a new demon in town, Sweet, seems to be responsible for it. Buffy and Spike share a kiss. (Season 6) (Writer: Joss Whedon. Director: Joss Whedon)
Chosen in 82% of 1019 fights!
Angelus kicks his terror campaign against Buffy and her friends into high gear, leading them to believe Joyce is his next target. Jenny makes progress rediscovering the gypsy Ritual of Restoration and, with Buffy's terse blessing, gets back together with Giles. Jenny and Giles also work with Buffy and Willow to ritually revoke Angel's invitations into their various homes. Angelus takes his anger out on Jenny with tragic results. (Season 2) (Writer: Ty King. Director: Michael Gershman)
Chosen in 79% of 1089 fights!
Becoming (Part 1)
Kendra's Watcher sends her back to Sunnydale because a dark power is rising: Angelus, Spike, and Drusilla have found a petrified demon called Acathla and plans to perform a ritual that will allow Acathla to wake up and suck every living thing on the planet into hell. (Season 2) (Writer: Joss Whedon. Director: Joss Whedon)
Chosen in 76% of 1044 fights!
A primordial spirit haunts Buffy, Giles, Willow, and Xander in their individual, cryptic nightmares involving the First Slayer (Sharon Ferguson) as a result of the magic done in the previous episode. (Season 4) (Writer: Joss Whedon. Director: Joss Whedon)
Chosen in 74% of 1043 fights!
Who Are You
Buffy (in Faith's body) is abducted by the Council's team, while Faith (in Buffy's body) has ruthless fun at the expense of Buffy. After Faith and Buffy (as each other) rescue a group of people in a church that has been attacked by vampires, they switch their bodies back. Faith begins to feel remorse, and heads to L.A. (Season 4) (Writer: Joss Whedon. Director: Joss Whedon)
Chosen in 74% of 1051 fights!
Buffy turns 17 and the Scoobies plan a surprise party. Meanwhile Drusilla plans her own celebration as Spike collects her presents: the disassembled pieces of The Judge, an ancient demon called to cleanse the world of humanity. Stymied at every turn, Buffy and Angel go back to his place to regroup, where they confess their deepest feelings and make love for the first time. Afterwards, Angel wakes in the middle of the night calling Buffy's name in anguish... (Season 2) (Writer: Marti Noxon. Director: Michael Lange)
Chosen in 74% of 1072 fights!
Buffy talks to Angel about the future. Buffy and the Scooby Gang devise a plan to launch an all-out assault against the First. They all descend on the Hellmouth, as Willow uses a spell on the battleaxe to turn the Potential Slayers into actual Slayers and they engage in a vicious battle against thousands of Ubervamps. Spike uses the amulet Angel brought from L.A. and brings about the end of Sunnydale, and the Hellmouth. (Season 7) (Writer: Joss Whedon. Director: Joss Whedon)
Chosen in 74% of 994 fights!
Cordelia's pain over Xander's betrayal summons Anyanka (Emma Caulfield), a vengeance demon who grants wishes to scorned women. Cordelia wishes that Buffy had never come to Sunnydale, and constructs an alternate reality where the Master (Mark Metcalf) rose from the dead and the Harvest took over Sunnydale. Giles discovers this in the alternate reality and realizes he is able to reverse the events. (Season 3) (Writer: Marti Noxon. Director: David Greenwalt)
Chosen in 73% of 1039 fights!
Giles returns armed with temporary magic, but Willow defeats him and decides to end her suffering and the world's by bringing on an apocalypse. Xander attempts to stop her. In Africa, Spike completes a set of challenges given to him by a demon who offers him his soul if he is successful. (Season 6) (Writer: David Fury. Director: James A. Contner)
Chosen in 73% of 1015 fights!
Graduation Day (Part 2)
Buffy forces Angel to feed on her to save his life and he must rush her to the hospital to save hers. The Mayor, as a guest speaker at Sunnydale, Ascends and becomes the demon Olvikan. Meanwhile, Faith remains in a coma, from which the doctors expect her never to wake. (Season 3) (Writer: Joss Whedon. Director: Joss Whedon)
Chosen in 72% of 1035 fights!
Conversations with Dead People
Buffy, Dawn, and Willow face individual encounters with familiar faces from their past. Also, Jonathan and Andrew return to Sunnydale to unearth a mysterious symbol. (Season 7) (Writer: Jane Espenson & Drew Goddard. Director: Nick Marck)
Chosen in 72% of 1016 fights!
Wanting to be a vengeance demon again, Anya tricks Willow into helping with a spell to retrieve her power center, the amulet Giles destroyed in an alternate reality ("The Wish"). Instead of the amulet, however, the spell transports Willow's vampire version to an unsuspecting Sunnydale. (Season 3) (Writer: Joss Whedon. Director: Joss Whedon)
Chosen in 72% of 1053 fights!
Willow and Tara argue over an amnesia spell, and Tara insists that Willow is dependent on magic. Willow promises to go a week without using magic but breaches the promise, causing the gang to forget who they are. Buffy and Spike kiss again. Giles goes back to London. Tara and Willow break up. (Season 6) (Writer: Rebecca Rand Kirshner. Director: David Grossman)
Chosen in 71% of 1012 fights!
Willow and Tara reconcile, and Tara tells Willow that Spike and Buffy have been sleeping together. Buffy stops The Trio when attempting a large-scale theft, but Warren escapes with a jetpack. Furious at being thwarted, Warren attempts to shoot Buffy, but also hits Tara who collapses and dies. (Season 6) (Writer: Steven S. DeKnight. Director: Michael Gershman)
Chosen in 69% of 1039 fights!
Angel decides to do the right thing and break up with Buffy. Meanwhile, Buffy has to save the prom from Hellhounds with a fetish for formal wear. Angel shows up for the last dance. (Season 3) (Writer: Marti Noxon. Director: David Solomon)