List of Doctor Who universe creatures and aliens

This is a list of fictional creatures and aliens from the universe of the long-running BBC science fiction television series Doctor Who. The series stars an extraterrestrial known as The Doctor who is capable of changing their appearance when they die in a process known as regeneration.^[1] They travel through time and space^[2] in a machine known as the TARDIS.^[3] In the process, the Doctor often comes into contact with various alien species.^[2] This list only covers alien races and other fictional creatures and not specific characters, for individual characters, see the lists in the separate articles below: