Continuity mistake: The hole Max makes in the wooden gate changes in shape when the thugs reach it. Max crashes through, leaving a hand shaped hole, but as the thugs reach it, the 'thumb' has disappeared.
Revealing mistake: After Max the dog breaks free from the cage and then bites through Callahan's chains, the two head to the metal barred window and Max begins pulling on one of the bars with his teeth. Which are obviously rubber, as they 'bend' slightly as the dog is pulling.
Revealing mistake: The wires holding the small satellite the two alien men are 'channeling' across the lake are visible although it's supposed to be floating.
Brain Wash - S3-E8
Continuity mistake: As hairdresser Bob is washing Jamie's hair in the sink, the shampoo coverage changes between shots. During the closeups, he never touches her forehead and ears but in the wide shots, her head is completely doused.
The Return of Bigfoot: Part 2 - S2-E1
Revealing mistake: Bigfoot's face should be covered in hair, like the legendary Sasquatch, but is instead poorly covered in patches of black, with streaks around his eyes, the tip of his nose, and his lower cheek, And no paint on his white lips. And his eyes should have been camouflaged with black lenses. (00:17:45)
Other mistake: Jamie, pretending to be Lisa, goes to the safe, and turns the dial with her bionic right hand, but the back and forth shots show her listening to the clicks with the same hand she dials with. (00:36:40)
Revealing mistake: When the senator and his wife are trapped under the rubble, she is holding a burning candle, it looks like there are flames coming from her thumb. An obvious reflection off either the camera lens or that the candle is safely inside a glass tube so that she doesn't burn her hand.
Revealing mistake: Jamie prepares to split a giant heavy log in two, with her bionic arm, so that it will fit into her fireplace. Just as her arm comes down, you can see the middle seam where the log was pre-cut for the shot, so that it easily breaks in two. (00:00:30)
The Pyramid - S3-E13
Revealing mistake: As Jaime starts 'cutting' along the window with her bionic fingernail, the precut outline is quite visible from the sides, and her left hand is resting on the ledge of the first hole she cut, to give her leverage. Which would be impossible for her to do, as it's raw glass and would leave bleed marks on her hands. (00:34:30 - 00:35:20)
The Return of Bigfoot: Part 2 - S2-E1
Other mistake: Sasquatch's black wig does not match the color of his brown fur suit.
Other mistake: Due to her bionics, Jamie has the ability to leap up 1 or 2 stories of a building or balcony. However, in the episode with the spacesuit, near the end, the astronaut has launched about 40-50 feet in the air, which is roughly 4-5 stories, but Jamie is somehow able to leap up high enough to grab onto the cable and deactivate his suit. (00:43:00)