Factual error: In the flashback of 6 years-old Magnum paddling with his dad before he leaves for the war in Korea, Mr. Magnum is wearing a Rolex GMT Master with the Pepsi bezel, a model designed in 1955, well after the war. (00:12:05)
Luther Gillis: File #521 - S4-E2
Factual error: Luther shoots at the two yo-yos who shot Magnum; he shoots 7 times in rapid succession and an 8th round as he runs closer, but he carries a revolver with a 6 bullets capacity. (00:13:05)
Factual error: Even if we ignore the Hollywood magic of the 80s when you can just get into the CIA database with an Atari operated by a kid, the modem also turns the hospital TV on. That's quite the omnipotent device.
Factual error: The location designed for the drop is the crossing between Hotel Street and Liliha Street...which do not intersect, there's King Street in between the two, at most.