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Japanese is the official language of Japan.

Appearances in The Big Bang Theory[]

  • In "The Cruciferous Vegetable Amplification", Sheldon (through his "Mobile Virtual Presence Device") greets Prof. Nakamora with Japanese "こんにちは" (pronounced as "Konnichiwa"), meaning "hello".
  • In "The Rhinitis Revelation" (S5E06), the waiters in the sushi bar welcome the guests with Japanese " いらっしゃいませ" (pronounced as " Irasshaimase"), meaning "welcome".
  • In "The Hawking Excitation" (S5E21), Howard rejects Sheldon's request to see Stephen Hawking in several lanugages, including Japanese "いいえ" (pronounced as "ii-e"), meaning "no".
  • In "The Big Bear Precipitation" (S9E20), Sheldon reads a copy of "Physics Today" that has an advertisement on the back which asks, "あなたはMATLABを話しますか" (pronounced "Anata wa Matlab o hanashimasu ka?"), meaning, "Do you speak Matlab?"