Re: Castle Season 5 (including Spoilers)
The producers said there would be a few continuity issues do to the episode flop
Xander: (to Willow) So whatcha been doin'? Doing spells? (to Oz) She does spells with Tara.
Oz: Yeah, I've heard about that.
Xander: Sometimes I think about two women doing a spell... and then I do a spell by myself.