List of Doctor Who Planets - A

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• Abydos is a planet mentioned in The Leisure Hive.
• Adipose 3 is the lost breeding planet of the Adipose ("Partners in Crime"). In "The Stolen Earth", Davros is revealed to be responsible for its disappearance. The planet is returned to its rightful place in "Journey's End".
• Agora is the homeworld of the Sixth Doctor's companion Grant Markham. In 2191, the Cybermen attempted to convert the planet into a Cybermen breeding ground to rebuild their race in the Virgin Missing Adventures book, Killing Ground.
• Alfava Metraxis (aka. Alfalfa Metraxis) is a planet in the Dundra System, once home to the extinct Aplans, and colonised by humans sometime in the 51st century. It is home to more than one "Maze of the dead", mass tombs where the dead are supposedly buried in the walls and represented with statues. However, all of the statues are revealed to be Weeping Angels. The Doctor, Amy and River Song landed on this planet in The Time of Angels after following the path of the spaceship, Byzantium. Alfalfa Metraxis is the 7th planet in the Dundra System and has 11 hour days.
• Algol is a planet mentioned in Destiny of the Daleks.
• Alpha Canis One, also called Canis Major, is the home planet of the Canisians, a war-mongering race encountered in Death Comes to Time. It is presumably located in orbit of the star Sirius AKA Alpha Canis Majoris.
• Althrace is the name of both a star system and its primary planet, visited by the Fifth Doctor in the Doctor Who Monthly comic strip, "The Tides of Time". The planets of the system were bolted together around a white hole. The system was home to a race of Higher Evolutionaries, and to the demon Melanicus.
• Alvega is the closest planet to Skaro, inhabited by the vegetable race the Amaryll. When the Daleks invaded the planet, they were defeated by the Amaryll Controller who controlled all Amaryll on the planet in the TV Century 21 comic The Amaryll Challenge.
• Alzarius is Adric's homeworld, located in E-Space. It appeared in the serial Full Circle. Its galactic coordinates are identical to those of Gallifrey—except they were negative. Alzarius is covered in lush, dense forests and marshlands. Every 50 years, the planet is dragged further away from its sun by a larger planet, causing a phenomenon known as "Mistfall".
• Amanopia is the homeworld of a race blue humanoids that trade body parts and of an enemy known as Sou Til. It is mentioned in a special Doctor Who scene on Tonight's the Night.
• Anagonia is a planet mentioned in the Seventh Doctor story The Greatest Show in the Galaxy.
• Anathema is the homeworld of the Eighth Doctor's companion Compassion.
• Androzani Major and Androzani Minor are a pair of planets that form the setting of the serial The Caves of Androzani. Androzani Minor features a network of caves, inhabited by spectrox-producing giant bats. When the planet moved closer to Androzani Major, mud burst from Androzani Minor's core. The planets are located in the Sirius system. Both planets were once covered by water but have become hot and arid desert planets. Native life on Androzani Minor includes the Magma Beast, which lives in Androzani Minor's bubbling mud pools. Androzani Major was also the setting for the 2011 Christmas Special, 'The Doctor, the Widow and the wardrobe'.
• Aneth, home of the Anethans, was forced to pay tribute to the planet Skonnos in the Fourth Doctor story The Horns of Nimon.
• Anima Persis is a geo-psychic world, inhabited by the psychic ghosts of its long-dead inhabitants; it was visited by the Doctor in Death Comes to Time. The planet is completely sterile and barren due to wars on the planet long ago.
• Anura is a planet almost entirely covered in water, home to an amphibian race. Mergrass was an Anuran (The Infinite Quest).
• Apalapucia is a paradise planet visited by the "Eleventh Doctor", "Amy Pond" and "Rory Williams" in "The Girl Who Waited". According to the Doctor, the planet was voted Number 2 in the Top Ten Destinations for The Discerning Space Traveller, and boasts soaring spires, silver colonnades and the mirrored Glasmir mountains. The planet had a pinkish-purple sky and an oxygen-rich atmosphere. Upon arrival however, the travellers find the planet deserted, following an outbreak of the contagious alien disease Chen7. Time however works differently here.
• Aractus is a planet mentioned in Wooden Heart.
• Arcadia is a planet colonised by humans in the 25th century, and the setting of the Virgin New Adventures novel Deceit. In "Doomsday", the Doctor told the Daleks that he had fought against them on Arcadia, at the front lines of the Time War, and refers to its fall. In the Torchwood episode "Kiss Kiss, Bang Bang", part of the plot revolves around Captain Jack Harkness's former partner Captain John Hart's search for an Arcadian diamond. The Mayflower, a colony ship seen in the Doctor Who Monthly comic strip "Profits of Doom," was headed to settle Arcadia. It is not confirmed whether these instances all refer to the same planet.
• Arcateen V is a planet mentioned in "Invasion of the Bane" (The Sarah Jane Adventures). It is the home planet of the Butterfly People, which include a "star poet" associate of Sarah Jane Smith, and a criminal called Mary in "Greeks Bearing Gifts" (Torchwood).
• Archetryx is the home planet of a time-active race, visited in the audio drama The Apocalypse Element, and mentioned in other Doctor Who audio dramas.
• Arden, the home of the Shenn, is the setting for the Virgin Missing Adventures book Shadowmind.
• Argolis is the setting of the serial The Leisure Hive. Argolis is the first of the Argolin leisure planets. Argolis became radioactive after the Argolins' 20-minute war with the Foamasi. The surviving Argolins then built a Leisure Hive, and abandoned their war-like culture to promote peace and understanding between alien races.
• Aridius is a planet in a binary star system that was once completely covered by oceans; its orbit around its suns was altered, causing to become a desert. The only remaining species are the amphibious Aridians and the octopus-like Mire Beasts. It is the setting for the beginning of The Chase.
• Arkannis Major is a planet visited by the Doctor, Rose and Jack in The Stealers of Dreams, where fiction is banned. It is also known as Colony World 4378976.Delta Four, Oneiros, Journey's End, and Discovery.
• Arkheon, also known as the Planet of Ghosts, is a planet located near the Crab Nebula, just past the Pleiades, left at the Blue Star Worlds. Temporal echoes resembling ghosts roamed the surface due to a temporal fissure in the planet's core. The world was virtually destroyed by the Daleks, but the remains were visited in Prisoner of the Daleks.
• Artaris is a planet visited in the Excelis Trilogy of audio plays, beginning with Excelis Dawns. Excelis was a major city-state on the planet. Bernice Summerfield and Iris Wildthyme also visited the planet.
• Asgard is a planet on which the Doctor and River Song went picnicking. It was mentioned in "Silence in the Library".
• Astra is a planet mentioned in The Rescue. The crew of Vicki's space ship were travelling from Earth to Astra when they crashed on Dido.
• Asylum Planet The planet where the Doctor, Amy and Rory are sent to by the Dalek Empire in the episode Asylum of The Daleks. It was where all insane and malfunctioning Daleks were sent by the Dalek Empire. The planet was infected with Nanospores which transformed anyone, living or dead, into a Dalek, or zombie-like version of a Dalek. It was blown up by the Dalek Empire at the end of the episode.
• Atrios is one of the planets at war in The Armageddon Factor.
• Augea is planet mentioned in Sting of the Zygons. The planet mirrors Greek mythology and the Twelve Labours of Hercules.
• Auros is a planet colonised by humans in the Earth Empire, with a temperate climate and a single small moon. It was destroyed in the novel Prisoner of the Daleks.
• Avalon is planet with six moons. Once home to an advanced race, it was colonised by humans, setting up a nation named Elbyon. The Doctor visited Avalon circa 3025 in the novel The Sorcerer's Apprentice.
• Axista Four is the planet on which the Independent Earth Colony was founded by Stewart Ransom in 2439. The Second Doctor, Jamie McCrimmon, and Zoe Heriot visited this colony in 2539 in the Past Doctor Adventures book, The Colony of Lies.
• Azure is a blue planet seen from the ships in the Fourth Doctor story Nightmare of Eden.