premise: One science fiction character is the Eighth Doctor.
hypothesis: Anji Kapoor , or simply Anji , is a fictional character in the Eighth Doctor Adventures , a novel series based upon the British science fiction television series , Doctor Who . The Eighth Doctor is an incarnation of the Doctor , the protagonist of the BBC science fiction television series Doctor Who . While the Eighth Doctor initially had only one on-screen appearance , his adventures were portrayed extensively in subsequent spin-off media , including more than 70 audio dramas starring McGann .