The full transcript and audio clips from last week's BBC online chat with Tony Head is due on-line later this week.

In the meantime, however, we thought you would enjoy a small taster of what's to come.

Speaking from L.A where he is currently busy filming Season Seven, the Buffy actor explained why his character has come back for more:

"Joss very sweetly went on record as saying he'd underestimated the role my character played and that he wanted me for season seven. I think it actually worked out for me to... leave them on their own, just because it meant there were several places they could go to. I think it's also fitting that I'll be around a bit more again."

How much more is still uncertain, but that is probably a good thing for Giles fans as Tony explains: "We were originally contracted to do at least ten [but] I think it'll probably work out at slightly more than that."

"The current plotline has got them all over the place, and it's also that thing - who can you trust? Who is who they are meant to be? The people you most want to trust are the people who let you down. When he (Joss) pitched the storyline I thought, 'Wow, that's perfect!" It also gives us an opportunity to see a lot of people we loved from the past."