Revealing mistake: In the arcade the killer talks to his helper while playing a pinball machine. He plays very agitated and strongly. But if you look closer at the below end of the playfield you see that there is no ball and the flippers aren't moving. (00:23:50 - 00:24:48)
Episode #9.2 - S9-E2
Revealing mistake: Rose's newborn baby, Isabel, is suspiciously large and mature.
Revealing mistake: When Jonathan is falling down the stairs when being chased by the ape, there is 1 shot where you can see it's a stunt man. Slow mo may help but is not essential.
The Case of the Missing - S1-E1
Revealing mistake: WPC Softly leans on a model building in Rammel's office, causing it to collapse by stages. The wire that is being pulled to make the model collapse can be seen to the right of the model. (00:21:00)
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)
Revealing mistake: The FBI woman picks up the phone to speak to her boss but the phone is off. (00:22:38)
Revealing mistake: When Roberta Halton knocks Rob unconscious, you can see that the blunt object barely even makes contact with his head.
Give Me Something Good to Eat - S1-E2
Revealing mistake: When Chucky is walking around on the street in the "Hello Kitty" mask, you can tell it's someone in a costume, primarily because you can see a little bit of their (very fleshy) neck at the bottom of the mask a few times.
Revealing mistake: In the close-up of Frost's hand while the doctor is stitching up his wound, you can see the delineated edges of the latex make-up patch used to simulate the injury. (00:12:30)
We Will All Be Judged by the Courage of Our Hearts - S1-E8
Revealing mistake: When Nomi is on her bike, in a wide shot, she is portrayed by a stunt woman.
Revealing mistake: In the scene where the wife comes in to the morgue to view her dead husband, who she helped to euthanize, the dead man is breathing throughout the whole scene. You can see the sheet rising and falling at his stomach. (00:22:15 - 00:24:05)
The Delivery - S7-E6
Revealing mistake: Eddie's bar has just burned down, and everything is ruined. However, the glasses above the bar are pristine and clean. At the very least, they'd be blackened and smeared by the smoke and soot, even if the heat of the fire hadn't destroyed them. (00:10:28)
Episode #1.1 - S1-E1
Revealing mistake: The "game" Lily is playing on her iPad is actually a 14-second video downloaded 10/16/2020, as visible from the iOS photo gallery UI bordering the tablet. (00:12:04)
Revealing mistake: When Caitlin gets pushed down by the guy stealing her scooter, she hits her head on a rock and blacks out. The 'rock' is seen compressing from its foam design. (00:10:30)
The Alchemy Murder Case File 1 - S1-E6
Revealing mistake: When Kindaichi shifts the stage screen Miyuki is holding, her fingers are not gripping the sides in the new position. Unless she is keeping it up sticking the back of it to her palms like Spider-man, it is impossible. She does hold it normally in all the other shots. (00:01:55)
Revealing mistake: The bullets the priest takes out of the ammunition tray have no primers. (01:01:33)
Revealing mistake: When Artie demagnetizes the lab coat, Claudia falls from a high altitude, but when the shot cuts to her landing on the raft, you can see that the actor jumped from a position much closer to the ground. (00:39:00)
Revealing mistake: While Holmes and Watson are investigating the crime scene, there is a shot of them that shows the dead man's hand. His hand is visibly shaking, revealing the actor is struggling to maintain the position of his hand.