Last updated on Monday 20 January 2014 at 23:24 UK

Watch Buffy the Vampire Slayer Series 6 Episode 20 Online Free

Buffy the Vampire Slayer Series 6 Episode 20PLAY

When Willow embraces the black arts to avenge Tara’s death, she uses her enormous power to track down Warren despite Buffy’s strong feelings about targeting humans.

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