Neilson: Mr. Archer, at the count of three, shoot Doctor Watson. John: What?! Sherlock: I don’t have the code. Neilson: One. Sherlock: I don’t know the code. Neilson: Two. Sherlock: She didn’t tell me. I don’t know it! Neilson: I’m prepared to believe you any second now. Three. Sherlock: No, stop!