<Tr> <Td_colspan="2"> List of Buffy the Vampire Slayer episodes </Td> </Tr> <P> The sixth season of the television series Buffy the Vampire Slayer premiered on October 2, 2001 with a two - hour premiere on UPN and concluded its 22 - episode season with a two - hour finale on May 21, 2002 . It maintained its previous timeslot, airing Tuesdays at 8: 00 pm ET . This season marked the series' network change from The WB to UPN . </P> <P> At the beginning of season six Willow resurrects Buffy with a powerful spell . Although her friends believe that they have taken her out of Hell, Buffy had actually been in Heaven since her death (a fact that is revealed to her friends later in the season). She is therefore traumatized by her resurrection and this causes her to fall into a deep depression for most of the season . </P> <P> Giles returns to England after realizing that Buffy has become too reliant on him, while Buffy takes up a fast - food job for money and develops a secret, unhealthy relationship with Spike . </P>

How does buffy come back in season 6
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