In "The Thing We Came For", astronaut Dave Scott tests the Galileo theory of dropped objects in a vacuum falling at the same rate (in this case, a hammer and feather) and landing at the same time. In the studio shots of the moon, actor Brett Cullen holds the hammer with the head pointed skyward. The actual footage then show Scott dropping the objects shown with the hammer head on the bottom.
At the National Air and Space Society's Flight Jacket Night on November 14, 2019 special guest Al Worden said that he never flew a Cessna as part of his geology training. He said this while introducing Dr Farouk El Baz to the audience.
When the astronauts walk through the canyon with Dr. Silver, a crew member is briefly visible on the right side of the screen.
Not in the intended 4:3 ratio. Only in the later Blu Ray release.
When doing geology work on the moon (Apollo 15), there is a brief closeup of an astronaut's spacesuit with Schmidt (Apollo 17) on the nameplate.
In a scene depicted as taking place in December 1970, a Cessna 172M "Skyhawk II" plane is shown landing. This variation of the 172 model was not produced until 1974.