Audio problem: The chopper is so noisy that people in it can barely talk to each other over the noise (as made clear abundant times in the series, including the previous episode when they "muted" Higgins switching off his intercom), but Thomas and TC are having a conversation while the helicopter is hovering meters above and Magnum is still with his feet in the parking lot. TC's lines are also neatly dubbed in. (00:39:00)
Magnum, P.I. (1980)
1 audio problem in The Last Page - chronological order
Starring: Tom Selleck, Roger E. Mosley, John Hillerman, Larry Manetti
Don't Eat the Snow in Hawaii - S1-E1
Continuity mistake: When Magnum drops the ring out of the envelope, nothing is near it as it's shaking. In the close up shot, it's next to keys. (00:44:20)
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Trivia: Tom Selleck is the only actor to appear in every episode of the show.