Continuity mistake: In the original series Spock mentioned that Vulcan has no moons. In the movie, when Spock is on Vulcan, he looks up and shields his eyes against the glare of the sun. When the scene changes, it is night and there are moons. (Corrected in the Director's Edition).
Star Trek: The Motion Picture (1979)
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Directed by: Robert Wise
Starring: William Shatner, George Takei, Leonard Nimoy, Walter Koenig, DeForest Kelley, James Doohan, Nichelle Nichols
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Suggested correction: Though the planet had no moons, it did form a binary pair with T'Khut and was considered its sister planet. From Memory Alpha.
McCoy: Well Jim, I hear Chapel's an M.D. Now. So I'm gonna need a top nurse, not some doctor who'll argue every little diagnosis with me. And they probably re-designed the whole sickbay, too. I know engineers, they LOVE to change things.
Trivia: In the original cut, the man reporting from Epsilon 9 says the cloud measures "Over 82 AUs in diameter. Since an Astronomical Unit is the distance between the Earth and Sun is 92,955,807.3 miles, 82 AUs would be 7,622,376,198.6 miles. In the Collector's and Director's cuts, it has been redone as 2 AUs, or 185,911,614.6 miles.
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