Why is Stranger Things season 4 being split into two parts?

In an unexpected turn of events, Stranger Things season 4 will be split into two parts -- though Netflix has a good reason for doing so.

Meet Vecna, Stranger Things' new demo-monster of season 4

Stranger Things 4 could be split into two parts, according to new rumor

Stranger Things' season 4 is coming to Netflix this summer, split into two volumes; Premiere dates and details revealed

Stranger Things Season 4 Ending Explained

Stranger Things' Season 4 Volume 2 release time, date, trailer, runtime, episode lengths, spoilers, theories, and more

With the group in Hawkins being the largest, I think for the majority of the season they will be split in two, with the older teens in one group and the younger

Stranger Things' Season 4 runs up that hill toward the end : Pop Culture Happy Hour : NPR

The 5 Best Moments From Stranger Things Season 4

GameSpot - It's the beginning of the end for the Netflix series.