The Arrow That Is Not Aimed - S3-E13
Other mistake: Magnum mispronounces the word 'seppuku' calling it it 'seppuki', prompting Higgins to correct him. He plays the role of the usual Westerner who is unfamiliar with the word and concept. But in the previous season, in 2-9, "The Taking of Dick McWilliams", not only he already had to deal with the prospect of ritual suicide, but he spontaneously mentioned the word himself ("Seppuku? You're willing to let your daughter kill herself?") with the other person simply mentioning a vague 'honorable thing to do'.
