Buffy The Vampire Slayer Country of origin : United States Network North America : The WB (1997–2001) : UPN (2001–2003) Original run : October 5, 1999 – May 23, 2000 No. of Episodes : 22 Next Season : Buffy The Vampire Slayer Season 5 Previous Season : Buffy The Vampire Slayer Season 3 Click here to Download The DVD Quality Stuff of Buffy The Vampire Slayer Season 4