Season 5 Episode 10
Episode aired december 19, 2000
after buffy catches riley in the clutches of a vampire-junkie, riley makes an important decision regarding their relationship.
the 'in memory of dc gustafson' at the end of the episode referred to gustav gustafson, who was the leadman for the first two seasons of the show. gustav was apparently a close friend of sarah michelle gellar, and died during filming of the series at age 41, after fighting cancer and aids.