Revealing mistake: There are numerous episodes where Mike is recording a video for Outdoor Man with his webcam, and a status bar is advancing towards the end of the video, indicating that the live recordings were added to the video stream in post production and synced up to the original performance.
Hungry Like the Wolf Dog - S3-E18
Revealing mistake: When Jillian throws the keg, you can see a rope attached to the keg pulling it after she spins.
Islands in the Stream - S2-E12
Revealing mistake: When George tells Tansy that he's OK if he never ends up with Zoe, then Zoe steps out to agree, her and the boat's shadow can be seen against the backdrop of the sea. (00:35:00)
Revealing mistake: In the second of two cases, a man who shot and killed his girlfriend is stopped by police. He is shown pointing his handgun out of the car window, but it is obvious that the barrel and recoil spring assembly of the gun have been removed. (00:41:03)