Season 4, Episode 20 The Yoko Factor
First Aired: May 9, 2000
The sinister and powerful Adam (George Hertzberg) decides to advance his plans for humanity's demise by enlisting Spike to turn the gang against one another without their suspecting it. Spike's reward: removal of the anti-violence chip in his head, which has prevented the vampire from attacking humans. Angel: David Boreanaz. Tara: Amber Benson. Riley: Marc Blucas. Xander: Nicholas Brendon.
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- Premiered: October 2, 2001
- Rating: TV-14
- Premise: A cheerleader is chosen to battle the forces of evil as she weathers the storms of young adulthood in an imaginative series that blends killer writing and performances. The show put WB on the ratings map and spawned the successful `Angel' before moving to… (more)