Visible crew/equipment: As they notice something large pass through the woods, the camera pans from left to right You can see a blinking light to the right of the waterfall in the distance on the lake, which is something in the park in New Zealand. (00:36:50 - 00:37:30)
Continuity mistake: Walter near the beginning of the film, is going over the ship's systems. He checks the fetuses inside a compartment and sees a dead one. As he removes it, the slot it came from is full of blood. He places it inside a container. Then as he hits the button to close the compartment, the slot has no blood in the next shot, and no implying he cleaned or decontaminated the slot. (00:08:00)
Continuity mistake: When two of the crew members stay behind to take samples, she closes the sample and hands it to him, but in the next shot, he closes it again. (00:38:00)
Character mistake: This ship's computer, 'mother', says "declention" instead of "declination" when giving coordinates of the planet.