Japanese (language)

Japanese was a language that originated in Japan. When the Eleventh Doctor and Amy Pond landed in medieval Japan, the TARDIS' translation circuit made Sada hear Amy and the Doctor speaking Japanese fluently but sounding like foreigners. (NSA: The Jade Pyramid)

Toshiko Sato and her mother frequently spoke to one another in Japanese. (TW: End of Days, Fragments)

A poster inside a car in 5,000,000,053 New New York had "Bad Wolf" written in Japanese. (DW: Gridlock)