entropy
Season 6 Episode 18
Episode aired april 30, 2002
Plot
anya returns to sunnydale, bent on revenge for xander leaving her at the altar. she has since become a vengence demon again, but ends up hurting xander in a way she never expected.
Behind the Scenes
during the scene where tara and willow kiss after getting back together, amber benson accidentally used tongue on alyson hannigan.
