Lorna Crane: Well, all I really know is he received this message from an agent named, uh... West.
James: Not James West?
Lorna Crane: Well, yes. Do you know him?
James: He's a colleague of mine.
James: You're going to hand over your formula, doctor? Doctor, you know you can't do that.
Dr. Crane: I am doing it.
James: We tested the explosive you left behind in the laboratory in Denver. "Doomsday formula," you call it in your letter to President Grant. Whose doomsday, doctor? Your country's?
James: Artie. No one sings off-key like you.
When James tells Artemus about the 7th Cav
alry, Robert Conrad pronounces the word "Cal
When Jim supposedly fires the dart into the fire chamber wall, the notch is there before it hits the wall. The director filmed the shot by having the dart already in the wall, pulling it out quickly, and filming in reverse.