Stupidity: Being a U.S. government-owned Secret Service vehicle, West and Gordon's train, "The Wanderer" is woefully lacking in security, as everyone from uninvited strange women to villains are allowed to just walk through the door of West and Gordon's private train car.
The Wild Wild West (1965)
1 stupidity in show generally
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".