When Daleks couldn’t climb stairs.

At least in 1966 you felt safe on the first floor, right? You could fantasise about hiding behind the balustrades on floor 1 and toss socks at the invading Dalek below, hoping to get one over the eyestalk in a lucky shot. In the new, improved DW, they can do anything, fly, do the polka, change the beds, all thanks to a major BBC upgrade.

But even in the no stairs days you were never really safe since it could just sit there on the ground floor and fire death rays up at you blindly, in the hope...