Nineteen years ago, David Tennant made his Doctor Who debut in an episode that finally admitted the Doctor’s biggest problem. “The Christmas Invasion” was the first ever Doctor Who Christmas Special, and it also served as the first story starring Tenth Doctor David Tennant. It was a unique episode, because the new Doctor was suffering […] The post 19 Years Ago Today, Doctor Who Admitted the Doctor’s Biggest Problem (& It’s Just Been Proven Right Again) appeared first on ComicBook.com .