Buffy The Vampire Slayer ended its TV run when "Chosen" (7/22) aired on May 20, 2003. At the time, BTVS was the pop culture series most studied in universities! Infographic follows after a few screencaps from BuffyWorld.
Buffy and Spike, Faith, Angel and Castle/Mal/Caleb, then Spike again.
For full-size screencaps and more, go BuffyWorld.