What's The Expanse about? The Expanse cast tells us here in their otherworldly explanations. Streaming now on Prime Video. » Watch the new season of The Expanse now exclusively with your Prime Membership: http://bit.ly/TheExpansePrimeVideoS4 » SUBSCRIBE: http://bit.ly/PrimeVideoSubscribe About Prime Video: Want to watch it now? We've got it. This week's newest movies, last night's TV shows, classic favorites, and more are available to watch instantly, plus all your videos are stored in Your Video Library. Over 150,000 movies and TV episodes, including thousands for Amazon Prime members at no additional cost. Get More Prime Video: Watch Now: http://bit.ly/WatchMorePrimeVideo Facebook: http://bit.ly/PrimeVideoFB Twitter: http://bit.ly/PrimeVideoTW Instagram: http://bit.ly/AmazonPrimeVideoIG The Expanse - Featurette: For Newbies | Prime Video https://youtu.be/4YU5hfqYnIk Prime Video https://www.youtube.com/PrimeVideo