Here’s a helpful, spoiler-light review of , Episode 1 (“Pilot”):

Based on Stephen King’s novel, the series begins when a small town (Chester’s Mill) is suddenly sealed off from the world by an invisible, indestructible dome. Episode 1 focuses on the immediate chaos, introducing key characters and the mystery.

7/10 – Good setup, worth watching at least the first 2–3 episodes to see if the mystery hooks you.