Observations: All change for Doctor Who as he whizzes into the Wild West

I am sitting opposite the biggest name in British television at the Doctor Who Convention in Cardiff.

Steven Moffat has responsibility for Doctor Who and Sherlock, two of the most successful shows of recent time.

He offers me up a few nuggets about the forthcoming series of the show. "He's going to have a Western adventure that we've been filming in Spain, which has got some of the biggest production values we've ever gotten and it just looks amazing."

Series 7 will also see the departure of the Doctor's companions Amy Pond and Rory Williams played by Karen Gillan and Arthur Darvill. "He's going to lose his Ponds in episode five and that's going to be heartbreaking." The Doctor's new companion is former Emmerdale actress Jenna-Louise Coleman.

The new series of 'Doctor Who' will be starting in the autumn