Character mistake: Twirling their moustache at the success of their operation, the villains say that the heroin is worth 10 million dollars. When Rick looks at all the drugs, he says it must be worth "a couple millions."
Magnum, P.I. (1980)
1 character mistake in Thicker Than Blood
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)
Mac: Time has little to do with infinity and jelly donuts.
Trivia: Tom Selleck is the only actor to appear in every episode of the show.