Plot hole: The First (as Drusilla) touches and moves Spike's hair, However it is made very well clear later in the season that The First is not corporeal, which means it is unable to physically touch anything.

Visible crew/equipment: When Dawn and the other girl are getting up after falling through the bathroom floor into the basement, you can see a man standing behind them towards the left side of the screen.

Visible crew/equipment: When Xander is in the bathroom after Buffy called him to look for the talisman, he bends down and grabs the talisman that lays under the sinks. As he stands the camera pans up to the mirrors and on the left side you can see the reflection of a crew member crouching over the hole to the old school. It's not the female manifest spirit as the clothes are wrong and she then appears from a different part of the room.