Continuity: In the season two episode "When she was bad", Joyce is driving Buffy to school and she is wearing a pink tank top. At school that day her shirt is white, but the next day at school she is back to wearing the pink outfit. (Time)
Directed by Joss Whedon, starring Alyson Hannigan, Amber Benson, Anthony Head, Charisma Carpenter, David Boreanaz, Emma Caulfield, James Marsters, Marc Blucas, Michelle Trachtenberg, Nicholas Brendon, Sarah Michelle Gellar, Seth Green
Continuity: In the season two episode "When she was bad", Joyce is driving Buffy to school and she is wearing a pink tank top. At school that day her shirt is white, but the next day at school she is back to wearing the pink outfit. (Time)
Revealing: When Buffy sets the vampire alight, his face suddenly gets very shiny, showing the fireproof gel that was applied to the actor's skin. (Time) Submitted by Jon Sandys
Revealing: When all the vampires are saying "for the dark", and one gets staked, there's a mark on his shirt where the stake's about to come through before it actually happens. Plus Buffy's hands are in the wrong place for her to have pushed that stake through anyway. Not only that, but the mark isn't even close to the vampire's heart to begin with. (Time) Submitted by Jon Sandys
Revealing: In the episode When She Was Bad, Willow, Cordy Miss. Calendar and Giles are wheeled over the bones of the Master. When Giles goes past his hand brushes against the bones and the skeleton bends revealing that it is in fact rubber (Time)
Continuity: In the season two episode, 'When she was bad', in the scene where Buffy smashes the masters skeleton with a sledge-hammer she smashes the rib cage to pieces. Suddenly the rib cage has again become completely intact and she smashes it to hell again. (Time)
Continuity: At the end of the episode when Buffy is talking to Giles about how she can't face her friends, her hair is over her ears for the entire conversation, but when she is about to walk away, her hair is suddenly tucked behind her ear and she couldn't have tucked it behind as that side of her head is still in view when the camera's on Giles.