Past Tense - S3-E4
Continuity mistake: Higgins' sweat on his khakis is inconsistent when Lyden ties him up, completely gone when he tells the honey story to TC in agony. (00:37:00)
Past Tense - S3-E4
Continuity mistake: John Hillerman's shirt has a pronounced sweat stain all across his pecs when Floys leaves to go check on Jack. The stain is barely a hint 30 seconds and a couple cuts later when he hears the gunshot. (00:32:00)
Past Tense - S3-E4
Continuity mistake: When Magnum speaks to Tanaka in front of the police station, he leans against his car; his hand is on the windshield in the close-ups on Kwan Hi Lim, but on the hood in Tom Selleck's. (00:27:25)
Past Tense - S3-E4
Continuity mistake: The front of John Hillerman's shirt is practically spotless when the bad guy calls him "Sergeant Major" on top of the hill, but when he escapes with TC after shoving him down, it's a messy sweat. The back of the shirt was also very sweaty in the opening of the scene, but the sweat is different with a smaller stain when they both turn around after TC's kick. (00:23:45)
Past Tense - S3-E4
Continuity mistake: When Magnum and the driver are diving away from the explosion, they fall in the grass almost in north-south position, with the hands of Tom Selleck' stunt double on the shoulders of the other guy. In the next shot they are closer and Selleck's face is just above the driver's butt. (00:03:00)

Past Tense - S3-E4
Continuity mistake: When TC's chopper lands in the prison courtyard, its registration mark is N1095A, while when it is shown on the open ocean it is N58243 and it has emergency floats equipped on its skids. (00:07:45 - 00:10:20)
Past Tense - S3-E4
Continuity mistake: One of the skyjackers is about to kill Higgins, saying that one hostage is plenty already. His boss though rushes in and stops him. In the first shot the man with the gun has his arm bent and the boss is standing with his arms folded. In the second, Gun Guy has his arm fully straight and Boss Guy starts by leaning on the palm with his arm up on the trunk. (00:13:20)