This Sunday at 18:45 BST, Doctor Who returns to BBC One in a new female incarnation played by Jodie Whittaker.
So to celebrate, we thought we'd take a look back at some of the many occasions over the years the long-running sci-fi series has been filmed here in the West Country.
Way back in 1971, the Third Doctor, played by Jon Pertwee, battled The Daemons in the Wiltshire village of Aldbourne. The story still holds a special place in the hearts of Doctor Who fans and has often been considered one its finest tales.
In 1974 for Tom Baker's first season as the Doctor, the cast and crew filmed in Wookey Hole Caves in Somerset for the story Revenge of the Cybermen. The caves doubled as the catacombs of the alien planet Voga - the home of the Cybermen's mortal enemies - the Vogans.
Several years later, in 1977, Tom Baker came to Bristol with his companion Leela played by Louise Jameson to film The Sunmakers. The futuristic story was filmed partly on the roof of the Imperial Tobacco building in Hartcliffe which was demolished in 1998.
And much more recently, in 2009, the eleventh Doctor, Matt Smith, battled the Weeping Angels in Puzzlewood forest in the Forest of Dean. The location has also been used in Merlin, Harry Potter and Star Wars.