Sauron forges the One Ring in 'The Rings of Power' season 3 trailer

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The first trailer for The Rings of Power season 3 is finally here, and it's sees Sauron crafting the One Ring to rule them all.

Beginning with Mount Doom, the trailer promises the most dramatic season yet as we see the Dark Lord begin the task, stating, "Now is the mightly hour come." Much of the first focuses on Sauron's journey to creating the One Ring as Middle-earth tries to battle the rising darkness. Elsewhere, we see Celeborn and Galadiel reunite, Gandalf warning about death to come, and epic battles on the way. "The shadow rises in Middle-earth, how would you like to rise with it?" Sauron asks.

The trailer dropped during San Diego Comic-Con 2026 , and it wasn't the only thing revealed in the Lord of the Rings show's panel.

Excitingly, some major casting news also dropped . Eddie Marsan will play King Durin IV's older brother Thrain, Andrew Richardson will play Elendil's son and Isildur's brother Anarion, while Adam Young is Marnûkh, billed intriguingly as "a mysterious Orc who may not be what he seems."

Most excitingly of all, however, is the reveal that the Balrog will return, and it'll speak for the first time. And, it'll be voiced by none other than Simon Pegg.

The official synopsis for season 3 reads: "Middle-earth is at war. Five years have passed since the fall of Eregion . Sauron 's armies have marched across the whole of the world, conquering all in their path. Only a few isolated pockets stand between the Dark Lord and total victory – Khazad-dûm, where the Dwarves are now sealed deep within their mountain halls, and the elven realms of Lindon and Rivendell, which are protected by their Three Rings. But deep in the land of Mordor, in his newly completed tower of Barad-dûr, the Dark Lord toils day and night, obsessed with harnessing a power that will bring the last of his enemies to their knees: One Ring to rule them all...

"Now, all the free peoples of Middle-earth – Dwarves, Elves, Men, and Wizards alike – must find a way to come together, in a race against time to prevent Sauron from achieving his goal of utter domination of all life…"

The Rings of Power season 3 arrives on Prime Video this November 11 with four episodes dropping at once. Then, episodes 5 and 6 arrive on November 18, and finally the remaining two episodes land on November 25.

While you wait, check out our guides to the most exciting upcoming shows and upcoming movies , as well as our SDCC 2026 schedule , SDCC 2026 live-blog , and SDCC 2026 predictions to make sure you don't miss a second of the action in San Diego.