Visible crew/equipment: As the episode ends, the reflection of the boom mic pole is reflected in the window behind Thomas and Jaime.
Continuity mistake: When Hawkins falls off the jeep, a black crash mat behind some leaves briefly and subtly lifts into view - it's quick, but noticeable.
Continuity mistake: When Hawkins runs from the mountain, his overalls are covered in dirt - but by the time he reaches the house, they're spotless.
Continuity mistake: When the creature paints on the rock, the carving of the word 'TO' changes between the wide shot and the close-up.
Continuity mistake: When the creature writes on the rock, the lighting changes between shots - the rock alternates between being in shadow and sunlit.
Continuity mistake: Jaime, disguised as the creature, throws powder at Lyle, staining his jeans with a white streak. In the following scene outside the cave, the stain is completely gone.
Revealing mistake: When Jaime discovers the creature costume, its eyes and body subtly move, revealing that someone is actually inside.
Continuity mistake: When Jaime kneels with the Geiger counter, the position of her feet and the cable around them changes between the wide shot and the close-up.
Continuity mistake: At the excavation site, Thomas walks away with the statue, leaving Lyle alone. However, in the close-up of Lyle, Thomas's hand and the statue reappear in the frame. (00:02:43)
Continuity mistake: When Jaime begins following the wolf tracks, it's nighttime - but in the next shot, it's suddenly broad daylight. Then it swaps back to nighttime.
