Doctor Who (series)

"Doctor Who" is a long-running British science fiction TV series that follows the adventures of the Doctor, an alien Time Lord from the planet Gallifrey. The Doctor travels through time and space in the TARDIS, a time machine that looks like a British police box on the outside. Alongside companions, the Doctor confronts alien threats, moral dilemmas, and historical events, often using intelligence and compassion. The series explores themes of heroism, curiosity, and the complexity of identity, with the Doctor's ability to regenerate allowing different actors to portray the character over the decades.