

A 900-year-old disaster bisexual with a box that's bigger inside steals your heart—and saves Earth on Tuesdays.
5.660 minSeason 13 • Episode 6
LatestIn the final epic chapter in the story of the Flux, all hope is lost. The forces of darkness are in control. But when the monsters have won, who can you count upon to save the universe?
The Doctor is a Time Lord: a 900 year old alien with 2 hearts, part of a gifted civilization who mastered time travel. The Doctor saves planets for a living—more of a hobby actually, and the Doctor's very, very good at it.
Writing
Steven Moffat's puzzle-box plots and RTD's emotional sledgehammers.
Acting
Every Doctor brings new chaos; Tennant's 'I don't want to go' still destroys.
Production
Low-budget cheese somehow becomes iconic—rubber aliens and all.
Trivia, insights & behind the scenes
The TARDIS exterior has been a police box since 1963 because the BBC budget couldn't afford to build a new disguise every episode.
Doctor Who invented the 'revolving door' lead actor model—regeneration let the show survive 60 years and 14+ Doctors while keeping one continuous character.