Backlash of the Hunter - S1-E1
Revealing mistake: The exterior shot of the house of the rich Miss Elias preceding Dr. Ruben Seelman's phone call, is a zoom on a static photography with a visible line on it. It is reused later in the episode (after Jim pulverizes his own picture in the phone book), with the exact same telling line. (00:30:20)
Backlash of the Hunter - S1-E1
Revealing mistake: When Jerry guns down the reverend, the person falling forward wears a remarkable grey wig - you can spot black hair on his neck area, even. (00:34:55)
Backlash of the Hunter - S1-E1
Revealing mistake: Jim Rockford rushes towards the shooting when Jerry just shot the priest; he takes a sharp turn following skidmarks from previous takes. (01:18:00)
Backlash of the Hunter - S1-E1
Revealing mistake: During the whole climactic duel between plane and car, despite the setting in the desertic outskirts of Vegas, aerial view show already from the beginning several tire tracks from previous takes. (01:30:00)