Earth has been conquered by an alien race known as the Masters using their giant Tripods. When humans reach the age of sixteen, they must undergo a process known as capping which places their mind under the control of the conquerors. In 2089, having...

The Doctor is a renegade Time Lord: an eccentric, highly-intelligent scientist from a distant planet. He travels through time and space in the TARDIS, a curious device, larger on the inside than on the outside, which was designed to change its...