 In "Revenge of the Slitheen" (2007), 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" (2008), 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.The Judoon are also mentioned in the "Doctor Who Adventures" comic "The Great Mordillo."