Visible crew/equipment: When Buck and Manolito finally meet up with John, Blue, and the other men, Buck hands over Olive to Sam, and in the next shot of Mano and Blue the boom mic dips into view at the top of the screen. (00:43:45)
Saga of Whizzer McGee - S4-E30
Continuity mistake: When Whizzer is pouring coins from a robbery into the hands of Melissa, she is wearing gloves in camera shots taken from one angle, but have bare hands in shots taken from another angle. This mistake is repeated 8 times.
The Night of Miguelito's Revenge - S4-E12
Revealing mistake: At the beginning of the episode, as Jim West walks away from the newsstand vendor and closes the magazine, a 1967 ad for DieHard batteries ("The DieHard Fights the Common Cold") can be seen on the right-hand page of the prop magazine, in a modern sans serif font.
Visible crew/equipment: While Dr. Mike is unsuccessfully trying to make supper Olive returns with the children, and after Olive says goodbye to them, when Dr. Mike closes the door a white T-mark is visible on the porch. (00:08:55)
Factual error: In the remastered DVD editions, on Doc Baker's wagon, you can see that the canvas wagon cover has a plastic window sewn into it.
Catawomper - S7-E19
Visible crew/equipment: When Marshal Dillon helps Kate down off the carriage, the moving boom mic casts a shadow on the wall on the left side of the screen. (00:23:05)
Factual error: Early in the episode, while Jason is at the log flume, power lines and transformers are visible to the left. (00:01:15)
Visible crew/equipment: A camera and microphone are visible on the front of Walt's vehicle after the opening credit/intro as he takes Ruby's call, explaining he's headed to Denver. (00:01:35)
Visible crew/equipment: When the crow is on the cross Caine tells the crowd there's nothing to be afraid of in a bird, and just as he explains that it's only a creature of the earth, the shadow of the animal trainer can be seen motioning to the trained bird, then it flies off and lands on the trainer's hand. Funny to see Caine and the crowd turn and pretend to watch the bird fly in the opposite direction. (00:28:10)
Factual error: The Governor arrives at the ranch in her official vehicle. However, the vehicle has US Government license plates. A State Governor is not a US Government representative, so the vehicle would have State plates. (00:16:41)