Horror fans, mark your calendars! IT: Welcome to Derry Episode 4 drops today, November 16, 2025, taking viewers deeper into Stephen King’s terrifying universe. The prequel series continues to unravel Derry’s dark secrets in 1962, long before Pennywise’s infamous encounters with the Losers’ Club.
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IT: Welcome to Derry Episode 4 Details
| Information | Details |
|---|---|
| Episode Title | The Great Swirling Apparatus of Our Planet’s Function |
| Release Date | November 16, 2025 |
| Streaming Platform | HBO Max |
| Air Time | Sunday evening slot (HBO) |
| Episode Number | 4 of 8 (Season 1 midpoint) |
| UK Streaming | Sky Atlantic, NOW |
When and Where to Watch Episode 4
Episode 4 premieres on HBO’s regular Sunday slot and streams simultaneously on Max for subscribers. If you’re outside the United States, here’s your viewing guide:
- US viewers: Watch on HBO or stream on Max with an active subscription
- UK audience: Catch it on Sky Atlantic or stream via NOW
- International fans: Access through local HBO distribution partners
The weekly Sunday release schedule makes it easy to follow along without missing a beat. For more streaming guides, check out our latest OTT releases coverage.
Complete Season 1 Episode Schedule
Here’s the full rollout plan for IT: Welcome to Derry Season 1:
- Episode 1: The Pilot – October 26
- Episode 2: The Thing in the Dark – November 2
- Episode 3: Now You See It – November 9
- Episode 4: The Great Swirling Apparatus of Our Planet’s Function – November 16
- Episode 5: Nebloit Street – November 23
- Episode 6: In the Name of the Father – November 30
- Episode 7: TBA – December 7
- Episode 8: TBA – December 14
What Happens in Episode 4?
HBO has released a spine-chilling preview that hints at psychological horror and mounting tension. The teaser features Chris Chalk’s Dick Hallorann in an interrogation room, warning a tribal member: “What they want me to do to you, it’s not going to be pleasant.”
Matilda Lawler’s character Marge reveals to General Shaw (James Remar) that she was followed by the same person responsible for Teddy, Phil, and Susie’s deaths. This revelation suggests Episode 4 will dive deeper into Derry’s growing unrest and the mysterious deaths plaguing the town.
Fans are buzzing with theories about Pennywise’s origins, as brief glimpses in the preview hint at the entity’s backstory. As the season’s halfway point, expect major revelations that connect to the broader Stephen King universe.
Why IT: Welcome to Derry Is Worth Watching
Set in 1962 Derry, this prequel series has captivated audiences with its slow-burning tension and nostalgic atmosphere. The show expands on Stephen King’s iconic universe, offering fresh perspectives on the town’s haunted history and the terrifying presence that would later torment the Losers’ Club.
The series has built a loyal fanbase thanks to its unsettling storyline and faithful adaptation of King’s eerie world. Whether you’re a longtime IT fan or new to Derry’s horrors, this prequel offers both thrills and deeper lore.
For more horror series recommendations and streaming updates, explore our horror entertainment section.
FAQs
Q: What time does IT: Welcome to Derry Episode 4 release?
A: Episode 4 releases on November 16, 2025, during HBO’s regular Sunday evening slot. It’s available for streaming on Max immediately after the HBO broadcast. International viewers can watch through Sky Atlantic (UK), NOW, or their local HBO distribution partners.
Q: How many episodes are in IT: Welcome to Derry Season 1?
A: Season 1 consists of 8 episodes total, releasing weekly every Sunday. Episode 4 marks the midpoint of the season. The finale is scheduled for December 14, 2025, giving fans a consistent two-month viewing experience through the holiday season.
