Neil deGrasse Tyson is back as host for Cosmos: Possible Worlds, a 2020 documentary series that follows Cosmos: A Spacetime Odyssey and turns a new round of scientific discoveries into large-scale visual storytelling.
What is Cosmos: Possible Worlds about?
The series treats science as a journey rather than a lecture. Across episodes of roughly 45 minutes, Tyson leads the audience through a sequence of voyages of exploration, which the programme itself frames as almost spiritual in character. The title signals the ambition: to take what science has revealed and use it as a way of picturing worlds beyond the one in front of us. Spectacle is put to work for explanation here. The imagery is lavish and designed to transport, so that an idea is something the viewer travels through instead of something read off a board. Each instalment stands as its own trip, which makes the series easy to pick up at any point.
About the cast
As a documentary, the series has a host instead of an acting ensemble, and that host is Neil deGrasse Tyson, returning to the role he held in the previous Cosmos series. He is the voice and guide throughout, the person who translates research into plain language. Behind the camera, the series is credited to Ann Druyan and Brannon Braga as directors.
Context & significance
Cosmos: Possible Worlds arrived as the follow-up to Cosmos: A Spacetime Odyssey, a series that had been a major success with audiences, and it keeps the same basic promise: serious science delivered with the scale and polish of big-budget television. It sits firmly in the documentary genre, but its tone is closer to an expedition than to a classroom programme, which is why it tends to work for mixed households, from students to parents and grandparents watching together. Audience response has been very strong, and it ranks among the most highly regarded documentary titles in the K-Time catalogue. For Persian-speaking viewers the practical point matters as much as the reputation: the series is available with a Persian dub and with Persian subtitles, so scientific vocabulary that can be hard to follow in a second language becomes accessible to the whole family.
Watching Cosmos: Possible Worlds on Ktime
Cosmos: Possible Worlds can be streamed on K-Time after logging in to an account; this page is free to read without one. K-Time is built for the Iranian diaspora, with a Farsi interface, and the series offers both a Persian dub and Persian subtitles.