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Doctor Who race
The Judoon, as shown in The Stolen Earth
First appearance"Smith and Jones" (2007)
TypeRhinoceros-headed humanoids
AffiliationShadow Proclamation

The Judoon are a fictional extraterrestrial species of mercenary police from the British science fiction television programme Doctor Who and its spin-offs, first appearing in the 2007 episode "Smith and Jones".



Judoon are galactic police, brutal in their precise application of the law and highly logical in their battle tactics, but not very intelligent. In fact, the Doctor states that, whilst their behaviour is (on the surface) that of a military police force, they are really little more than "interplanetary thugs". They have no jurisdiction on Earth and no authority to deal with human crime (when hunting a fugitive alien in an Earth hospital, they transported the building to the Moon); they will, however, strictly obey any laws on the planet they are on (e.g. road speed limits).[1] The Judoon carry energy weapons which can incinerate humans.

Judoon are upright-standing bipeds, with rhinoceros-like heads and only four digits on each hand: they wear black, bulky armour with heavy boots. According to the Doctor, the Judoon have a "great big lung reserve" which allows them to survive for extended periods in a limited oxygen environment. They have yellow blood.


In "Smith and Jones", the Doctor had never encountered the race on-screen before, but during the episode he repeatedly demonstrates considerable knowledge of them and their methods. The Judoon used an H2O Scoop to bring a hospital which held the Tenth Doctor and Martha Jones to the moon where the Judoon could apprehend a criminal (species Plasmavore), which disguised itself as Florence Finnegan. The Judoon came in ships and landed on the moon, trying to find Finnigan with their scanners, but at first couldn't due to Finnigan assimilating human blood. However she was revealed when Finnigan took the Doctor (a non-human)'s blood. They executed her for murdering an alien princess and afterwards transported the hospital back to Earth.

In Revenge of the Slitheen, from the spin-off series The Sarah Jane Adventures, they were mentioned by the Slitheen, who said that the Intergalactic Police were after them.

In the novella Revenge of the Judoon, where they seized Balmoral Castle in 1902 after being conned into a fraudulent mission, they made a deal with the Doctor that meant Earth was off-limits to them, something confirmed as canonical with the TV series by the BBC Monster Files feature.[2] The Judoon are also mentioned in the Doctor Who Adventures comic "The Great Mordillo."

They appear in "The Stolen Earth" as guards at the Shadow Proclamation. The TARDIS does not translate their language, because it is the universal law, like The Shadow Proclamation, and the Doctor replies in their language rather than in English. They only begin speaking English once he has introduced himself.

In Prisoner of the Judoon, Captain Tybo, a Judoon, crashes on Earth while his prisoner, Androvax, escapes, leaving Tybo hunting for him. He is knocked unconscious by Androvax and saved by Sarah Jane Smith and her gang, who helped him find Androvax 'the Annihilator' who, as a veil form, has the ability to possess people; he uses this to possess Sarah Jane. Captain Tybo commandeers a London Metropolitan Police car and goes to Bannerman Road where he receives a call that more Judoon are coming. When Tybo and the gang go in they find that Sarah Jane has ordered Mr Smith to blow up in 60 seconds, but Luke stops him by reminding him that he is programmed to protect the planet. Tybo goes to the genetic system and regroups with the rest of the Judoon, finds Androvax and takes him back to the Shadow Proclamation. Despite the Judoon's nominal lack of jurisdiction on Earth, Tybo aggressively enforces English car radio volume limits and once points his machine gun at the driver of a nearby car whose music was too loud. Additionally, he and his colleagues summarily sentence Clyde Langer and Rani Chandra to restriction to Earth as punishment for their interference.

Judoon are seen as part of an alliance of the Doctor's enemies in "The Pandorica Opens", who imprison him in the Pandorica beneath Stonehenge, believing he will destroy the Universe.

In "A Good Man Goes to War", a small group of Judoon are recruited by the Doctor to join his army in the Battle of Demon's Run. Alongside Sontaran commander Strax, a large battalion of Silurian warriors, and the newly space-pirating former crew of the Fancy, they help to apprehend Colonel Manton and his Cleric forces.

Individual Judoon are seen in a handful of other episodes: eyeing a Raxacoricofallapatorian in a Zagizalgul bar in The End of Time; when Colony Sarff visits the Shadow Proclamation in "The Magician's Apprentice; and living in the trap street in "Face the Raven".

The Judoon are set to reappear in Series 12 of Doctor Who in an episode set in Gloucester due to broadcast in 2020.


A Judoon in its armour and helmet, as shown at a Doctor Who convention.

Doctor Who[edit]


The Sarah Jane Adventures[edit]


  • "Judoon in Chains" (2016)
  • "One Mile Down" (2019)


Comic books[edit]

  • Doctor Who – issues 3–6 (Fugitive)
  • Doctor Who: The Forgotten – issue 3 (Part Three: Misdirection) (featuring the Fifth Doctor, Tegan and Turlough)
  • Doctor Who: The Prisoners of Time – Issue 4 (featuring the Fourth Doctor, K9 and Leela)


  1. ^ Phil Ford (writer), Joss Agnew (director), Nikki Wilson, Phil Ford (producers) (15–16 October 2009). Prisoner of the Judoon. The Sarah Jane Adventures. BBC. CBBC.
  2. ^ BBC – Doctor Who – Videos – Series Four

External links[edit]