"It is by far the most ambitious, epic, globe-spanning plot we have ever done," Shawn Levy said.

Steve Harrington appears wounded in the latest photo taken from the set of the series.

A guidance counselor, a new love interest, a basketball star, and a cheerleader join the list of characters in the new season.

Someone important dies at the end of the season as teased by photos taken from Hawkins cemetery.

The clip teases the return of Martin Brenner aka Papa at Hawkins National Laboratory.

The video teases how something grim will happen at Hawkins National Laboratory.

The actress also spoke about "Stranger Things" and said she is not ready for it to end as it feels like "home."

Set photos show that the Upside Down has begun to overtake the real world in "Stranger Things" season 4.

Matthew Modine said he would love to be invited back as Dr. Martin Brenner in "Stranger Things" season 4.

Matthew Modine was spotted on the set of "Stranger Things" season 4 in Atlanta, Georgia.

Harbour also confirmed that the upcoming season will throw some light on the backstory of Hopper.

Millie Bobby Brown asked for people to show more respect for others regardless of their profession.

"Stranger Things" season 4 adds eight new actors for recurring and regular roles.

Sherman Augustus was spotted on the set of "Stranger Things" season 4 in Atlanta.

The Duffer Brothers tease the return of the Demogorgon in "Stranger Things" season 4.

"Stranger Things" executive producer Shawn Levy said the delay in the season 4 filming is a positive thing.

Natalia Dyer said "Stranger Things" season 4 has a great script and that it is going to be "really big."

Joe Keery, Maya Hawke, Sadie Sink, and Gaten Matarazzo filmed a scene together.

Dacre Montgomery shared a throwback photo of Billy amid the filming for season 4.

The Duffer Brothers hinted at a flashback to a scene from the season 3 finale with a photo of Lucas Sinclair.

The Duffer Brothers may have revealed two additional episode titles for "Stranger Things" season 4.

Matthew Modine is keen to return as Dr. Martin Brenner a.k.a. Papa.

Millie Bobby Brown had difficult times in finding roles at the start of her career and faced some rejections.

Production is back on in Atlanta, Georgia for the fourth season of the Netflix show.

David Harbour pointed out that there was no body of evidence to confirm Hopper died.

Since they didn't have enough money for gas, her father Robert Brown would only drive her to try-outs if she knew all her lines.

The young and adult cast members of "Stranger Things" were not present for the virtual ceremony.

Millie Bobby Brown admitted that it was challenging being British again after five years of being an American in "Stranger Things."

David Harbour and Lily Allen are officially married and his "Stranger Things" family could not be happier.

Millie Bobby Brown says she wants a happy ending for Eleven in "Stranger Things."