The creator of Stranger Things, Ross Duffer, has shared the actual runtimes for the first four episodes of Season 5.
According to Duffer, the episodes range from 54 minutes to 1 hour and 23 minutes, putting to rest speculation that the episodes would be closer to 2 hours.
Ross Duffer shared the actual runtimes in a Monday Instagram post, showing the episodes and their length on his Netflix screeners.
Author's summary: Creator shares Season 5 episode runtimes.