Mission: Impossible - Season 5 Episode 20 : Kitara (aka The Bigot) 1973

John Darcy, codename 'Kitara', leads a liberation movement in the African country of Bocamo and has been inadvertently captured by the ruthless Colonel Kohler. Kohler plans to torture Kitara, who if he confesses his true identity will result in the destruction of the entire movement. Kohler is after a truckful of government gold bullion Kitara stole. Jim and Doug play agents while Barney is captured and gets the location of the bullion from Kitara and gets it to Jim. Doug warns Kohler about ""lamposa hycondra"", a disease that causes blacks to turn white. After Kohler takes a IMF-rigged shower he wakes up the next morning to find himself black! Dana as a reporter introduces Kohler to shopkeeper Paris, who has ""proof"" that Kohler's grandfather was black. Kohler goes on the run and Paris hides him out at the gold's location. The authorities find Kohler there and believe he is Kitara and have him arrested, then hand the gold over to Jim to deliver it to headquarters.