While every season finale of Buffy The Vampire Slayer is dramatic and impactful, the season 5 finale delves deeply into the storyline of Dawn Summers (Michelle Trachtenberg) as The Key.

Joss Whedon’s Buffy the Vampire Slayer is based on his 1992 film of the same name and premiered on The WB in 1997. The series follows Buffy Summers (Sarah Michelle Gellar), a “slayer” who is ...