Don't Eat the Snow in Hawaii: Part 2 - S1-E2
Revealing mistake: When Magnum passes his gun to his fellow soldier, it cuts to a shot of the heli in the air that is mirrored - easy to spot by "Marines" written backwards.
Don't Eat the Snow in Hawaii - S1-E1
Revealing mistake: After his car is destroyed, one of the two people who were chasing Magnum emerges from the wreckage and hikes to the very same spot Magnum was in.The road though cleaned itself; no more tracks in the dirt nor the skidmarks from Magnum's abrupt maneuver. (00:36:50)
The Curse of the King Kamehameha Club - S1-E11
Revealing mistake: Rick is leaving the club, or at least the kitchen. In Larry Manetti's close-up, the background shows various detergents with the label flipped in a mirrored shot. (00:15:45)
Suggested correction: This is not a mirrored shot. The brand name "Ajax" (all lowercase letters as "ajax") on all three of the cleansers is not backwards; neither is the Pan Dandy soap jug in the sink. And the scars on Larry Manetti's face are in their proper places.