The Darkness - S2-E4
Corrected entry: Whenever the point of view is through night vision goggles, you can see shadows cast, even though it's supposed To Be complete darkness.
Corrected entry: Tessa finishes Duncan's sentence saying that the last time he wore a tuxedo was on the deck of the Titanic, however, in a previous episode he's shown wearing one at a New Year's Eve party in the present day. After fighting another Immortal, he puts on the jacket to hide the bloodstain on his shoulder before returning to the party just in time for the countdown.
Correction: Simple and understandable character mistake. Perhaps she forgot, or perhaps she simply didn't count that time because of the circumstances.
Corrected entry: The immortal Kalas was an opera singer/immortal who was injured in a fight with another immortal,he has a scar on his throat,but immortals have almost instant healing abilities meaning that he shouldn't have a scar while he is an immortal.
Correction: In both the film and the show, the throat is the only vulnerable point for immortals. That is how they can be killed, and it is also one spot that may not completely heal from a severe injury. In the original film, Kurgan was sliced in the throat by Ramirez, and centuries later still had a scar from it.
Correction: There are two types of night vision goggles - passive and active. Passive night vision goggles work by intensifying whatever light there is - starlight, moonlight, whatever is available. A shadow will be visible on the viewscreen of any such goggles. It is likely they are using passive goggles as active goggles require a power source, and are consequently much bulkier.