'Dune: Prophecy', a spin-off series in 'Dune' franchise, is dull, the worst thing a story can be in the fantasy fiction genre, Hindustan Times wrote in its review. "When you've...luxury of using interstellar travel, starships, giant worms, and the supernatural, going dull is a cardinal sin," the review read. It stars Emily Watson, Olivia Williams and Tabu, among others.