Continuity mistake: When Magnum, TC, and Rabbi Solomon are taken at gunpoint into the meat freezer, the lighting control box is on the wall beside the doorway, then when Magnum whispers his darkness idea to Rabbi Solomon, the control box shown in the closeup is entirely different. (00:43:10)
The Man from Marseilles - S5-E20
Continuity mistake: While Carol has Fornier and Magnum in her office, Fornier explains he's just visiting as a tourist and she responds that he's illegally carrying a gun. In the next shot of Carol's torso there are changes which include, Carol's ring is missing from her left hand, and in this shot her blouse has buttons though there shouldn't be any, etc. (00:20:25)
Echoes of the Mind: Part 1 - S5-E1
Continuity mistake: When Magnum finds Higgins waiting for him in the guesthouse Higgins asks for his advice, then Magnum goes to the fridge and removes a milk container with his left hand and a bowl with his right hand, but in the next closeup the milk container and bowl have switched hands. (00:37:40)
Echoes of the Mind: Part 1 - S5-E1
Continuity mistake: When Higgins hands the old album to Magnum, there's a closeup of the photograph of Lady Ashley, but in the wide shots no such photo exists on the album's open pages. (00:22:05)
