hifijohn

Plot hole: They extract the crew from the tear duct, it was very close to the brain injury, so why didn't they start from there to begin with?

hifijohn

Plot hole: The sub winds up in the wrong circulatory system because of a fistula, so just extract the sub and re-inject back after the fistula and continue with the original journey.

hifijohn

Revealing mistake: Near the beginning of the movie, Grant is in the car being lowered but the shadow the car makes remains the same.

hifijohn

Factual error: Where is all the light coming from inside the body?

hifijohn