The Night of the Golden Cobra - S2-E2
Revealing mistake: Indentations from West striking the board with his knuckles are seen before he hits it with his fist.
The Wild Wild West (1965)
1 revealing mistake in The Night of the Golden Cobra - chronological order
Starring: Robert Conrad, Dick Cangey, Ross Martin, Whitey Hughes
The Night Dr. Loveless Died - S3-E4
Continuity mistake: In the opening scene, a cowboy sitting atop the balcony above Big Brad's Bar gets up and approaches the balcony's edge twice.
The Night Dr. Loveless Died - S3-E4
Trivia: Dr. Loveless' uncle's name, "Liebknicht", is, aside from the addition of the letter "k", German for "Loveless".