'The Expanse' is a critically acclaimed science fiction television series that premiered in 2015. Set in a future where humanity has colonized the Solar System, the show follows a diverse group of characters as they navigate political intrigue, interplanetary tensions, and the discovery of alien technology. Praised for its realistic portrayal of space colonization and complex narrative, 'The Expanse' has been lauded as one of the best sci-fi series of all time.