When Daniel's character is attacked by the giant crab, the blood disappears and re appears on his face between shots.
A character says the "fail safe locking mechanisms" won't open without power. "Fail safe" mechanisms automatically unlock when power is lost. "Fail secure" locks require power to unlock.
At around 17:35 Dr. Karen James accidentally says ".... She may have turned ON her radio." instead of "She may have turned OFF her radio."
Miranda says she "found legions on the heart" of a dead dolphin instead of "lesions"
When Skylar and Daniel are talking about how cool they think sharks are, Skylar says that he is a fan favorite of the walrus, instead of the walrus being a fan favorite of his.