The Night of Miguelito's Revenge - S4-E12
Other mistake: The sandbag that almost falls on Pike and West splits wide open upon impact with the floor, but subsequent shots of the bag show it almost intact.
The Wild Wild West (1965)
1 other mistake in The Night of Miguelito's Revenge
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".