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Continuity mistake: At the beginning of the "Failure Is Not an Option" scene, Gene writes "45 hrs" on the chalkboard. In the close-up as he writes it, the front of the 4 is curved into the spine, and the 5 is written with a flat top and flat back leading into the curve underneath. Then, Gene puts a period after "hrs." When the shot cuts wide, the 5 looks more like an S and the top of the five is curled back under. The spine of the 4 has become much longer as well. When Gene walks back to the board at the end of the scene, the front of the 4 is more angular than curved, and the 5 still looks like an S but the curl under the top line is gone. And, once the shot changes away from Gene writing it, the period after "hrs" disappears for the rest of the scene. (01:15:50 - 01:17:45)

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Trivia: During the broadcast, Fred starts playing the song "Spirit in the Sky," and Jim mentions it should have been the theme from "2001." In real life, the crew actually did play the theme from "2001." In this case, the film was joking about altering history for artistic purposes.

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Continuity mistake: When Lovell and Haise discuss their families and Haise's illness, Lovell grabs a picture of Mary from the air and comments on, while Haise is seen putting a green letter back into its envelope. It cuts to show a close-up of Haise's hands pulling the letter and the photo from the envelope as if he just opened it (which would have happened moments earlier).

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Factual error: Hanks as Lovell drives a red corvette. The real Lovell has said in interviews he drove a blue corvette.

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Visible crew/equipment: During the moon landing daydream sequence, Lovell is shown performing the typical low-gravity moon walk. The thin wires used to facilitate the hopping effect can be seen at the top of the frame, and stand out against the light metal finish of the lunar lander. (01:13:30)

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Continuity mistake: Just before Gene Kranz draws a circle on the chalkboard to indicate the Earth, the erased circles from previous takes can be seen. He then draws a hasty, sloppy unclosed circle, but subsequent shots a few seconds later show a neater, closed circle. (01:07:30)

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