IT Welcome to Derry Episode 4 Ending Explained: The American supernatural horror series “IT: Welcome to Derry Episode 4” arrived on HBO on November 16, and its ending has been gaining a lot of attention from the fans and the supporters across the world. Episode 4 is the boldest chapter yet, and it takes viewers deep into the mythic foundations of Pennywise and reveals a chilling new concept that is adapted straight from King’s universe. Episode 4 has perfectly set the tone for IT: Welcome to Derry Episode 5, which is to be released on November 23.
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A Turning Point: The Origin of the Galloo

Episode 4 has finally given us the long-awaited origin story of Pennywise. It is told through the Shokopiwah tribe’s ancient legend of the Galloo. Thanks to Hallorann’s shining ability, we are taken into Taniel’s memories and witness a tale that begins “millions of years ago, before the time of the first people.” This moment is very critical, as it has become the backbone of the IT: Welcome to Derry Episode 4 narrative.
According to the legend, an evil spirit fell from the darkest part of the night sky and was trapped inside a stone star. As soon as it struck the earth, the star cracked open. This star opening released a formless, predatory being, which is the creature that is eventually known as the Galloo. Before Pennywise ever became a clown, Galloo was a cosmic entity stalking the Western Woods.
The Shokopiwah’s ancestors have described a dagger from the fallen star, thanks to its power to protect themselves. For generations, they have successfully stayed clear of the monster’s territory, but it is in vain when white settlers ignore their warnings and awaken the entity’s hunger. From there, the creature grew more powerful, and it now feeds on fear and evolves into the threat we recognize today.
Necani’s Stand and the Birth of the Barrier
One of the most emotionally powerful parts of the episode involves Necani. Necani is Sesqui’s courageous daughter, and she steals the dagger and ventures alone into the woods. Sesqui is later killed by the Galloo, but Necani and the tribe are very determined, and they ultimately discover fragments of the star inside the creature’s cave. These pieces are used to create a stone fortress, and they trap the Galloo within the woods. It successfully established the geographic boundaries that shaped Pennywise’s power centuries later.
This sequence was very important to IT: Welcome to Derry Episode 4 Ending, as it explains why Pennywise’s influence is limited to Derry. And it also explains why certain locations like the Neibolt Street house play such an important role.
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The Final Moment: The Woods Lead Straight to Neibolt Street
After Taniel completes the myth. Adult Taniel appears and gives Hallorann the key to finding Pennywise: the woods can be reached through the house on Neibolt Street. This revelation sets the tone, as it connects the prequel neatly to the 2017 and 2019 IT films.
How the Show Differs from Stephen King’s Book
IT: Welcome to Derry, which looks very different from Stephen King’s book because the book describes Pennywise as an ancient interdimensional being who arrived near Derry around one million years ago. However, the series has added an Indigenous lens to his origin. The Shokopiwah tribe and the Galloo myth are new additions that were originally introduced in IT: Chapter Two and expanded beautifully here.
These changes don’t replace King’s lore, but they seem to work very well to deepen it. Ultimately, it will be interesting to see what the next IT: Welcome to Derry 4 episodes have for the viewers.
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