The Night of the Sabatini Death - S4-E17
Continuity mistake: The first scene of West's train has it amid dead brown brush. When West opens the door to leave, two very green trees are on either side of the door.
The Wild Wild West (1965)
1 mistake in The Night of the Sabatini Death
Starring: Robert Conrad, Dick Cangey, Ross Martin, Whitey Hughes
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".