Emily Watson and Olivia Williams in 'Dune: Prophecy.' Attila Szvacsek/HBO Share on Facebook Share on X Share to Flipboard Share on Pinterest Show additional share options Share on Tumblr Share on Reddit Share on LinkedIn Share on Whats App Send an Email Print the Article Post a Comment Google Preferred Logo text HBO is ready to return to the world of Dune. The company just announced that spinoff Dune: Prophecy has started production on a second season. Unlike the six-episode first season, HBO is giving the series more episodes for its sophomore run: Eight episodes instead of six.