Revealing mistake: When Steve and Jonathan are climbing the radio tower, just before they reach the top, there is a wide shot, and if you look at Steve, you can see the far background around his body is swirling, revealing the shot to have been filmed in front of a green screen. (00:20:32)
Stranger Things (2016)
1 revealing mistake in The Crawl - chronological order
Starring: Winona Ryder, David Harbour, Millie Bobby Brown, Finn Wolfhard, Dacre Montgomery
Chapter Two: The Weirdo on Maple Street - S1-E2
Factual error: When Chief Hopper and his fellow patrolman are standing over the lake, Hopper has a radio on his belt. The radio is a modern Motorola walkie talkie and at least a decade newer than it should be.
Multiple characters: Mouth breather.
More trivia for Stranger Things
Chapter Four: The Body - S1-E4
Question: Where did the body of Will come from? And why was it stuffed full of cotton?
Answer: The body was fake, made by the scientists at Hawkins Lab in an attempt to cover up his disappearance and the existence of the Upside Down.