Did You See the Sun Rise? - S3-E1
Deliberate mistake: When TC is flying the stolen Loach toward the Japanese delegation, there are multiple exterior flipped shots showing the stolen helicopter backwards. There are also flipped closeups of TC while flying, note position of his helmet mic, etc. (00:34:35)
Did You See the Sun Rise? - S3-E1
Deliberate mistake: When Greene, Magnum and Rick are flying in the chopper going after TC, their first few closeups are all flipped, note their seated positions, backwards shirt buttons, cap lettering, etc. In later closeups their seating positions are in the proper place. (00:35:05)
Deliberate mistake: When the Simon brothers are parked across the street from the entrance to Robin's Nest, with Harold Sands in the back seat, Rick uses binoculars to have a closer look at the estate. In the POV shot from within the binoculars, the estate's entrance gate with a sign on the bricks is backwards, revealing it as a flipped shot. (00:12:40)
Deliberate mistake: During the episode, whenever daily newspapers are shown, they lack any indication of the date.