The Yoko Factor [SEP] series
The Yoko Factor
"The Yoko Factor" is the 20th episode of season 4 of the television show "Buffy the Vampire Slayer".
Plot.
Colonel McNamara talks with a superior about plans for the Initiative, about getting Riley back under his command and about dealing with Buffy.
Spike tells Adam that Buffy is going to be a difficult challenge to defeat and he shouldn't underestimate her. Spike talks about having already killed two Slayers (Xin Rong and Nikki Wood), yet having been unable to kill
- This episode marks the first time in the series that Anthony Stewart Head displays his singing talents. Giles will sing on screen again in three more episodes: in his apartment in "The Yoko Factor", during his dream sequence in "Restless", and the musical episode "Once More, with Feeling".
- Anthony Stewart Head only sings "Behind Blue Eyes", and music supervisor John King plays guitar. Later, in the episode "The Yoko Factor", Head will both sing and play "