TMDb/Dune: Part Three Movie See the Dune: Part Three trailer first! Get exclusive insights from Denis Villeneuve, new cast reveals, and character posters. March 17, 2026 AceShowbiz - The long-awaited trailer for Dune: Part Three is set to debut this Tuesday, building anticipation for the next chapter in the acclaimed sci-fi saga. Deadline previewed the trailer ahead of the public release and participated in an exclusive Q&A with director Denis Villeneuve, promising exciting insights and revelations about the film and the iconic spice central to the story.