When Giles returns with Willow , they wake up Oz and Xander , before Giles realises that Kathy is a demon .
However Buffy gets free and knocks the boys unconscious before fleeing .
When Giles returns with Willow , boys wake up Oz and Xander , before Giles realises that Kathy is a demon .
However Buffy gets free and knocks the boys unconscious before fleeing .