EntertainmentTVSci-Fi ShowsDoctor WhoThe Doctor Who Christmas special will explore what it’s like to be in the Time Lord’s head when he’s “got no one to be the Doctor for"When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. EntertainmentTVSci-Fi ShowsDoctor WhoThe Doctor Who Christmas special will explore what it’s like to be in the Time Lord’s head when he’s “got no one to be the Doctor for"When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. (Image credit: BBC) What’s the Doctor without a companion? It’s a question, as writer Steven Moffat teases, will be addressed in upcoming Doctor Who Christmas special. “The show isn’t really about the Doctor. It’s about whoever he meets. Doctor Who does not begin with him …