Cosmos: Season 2
Cosmos Season 2 continues the overarching saga across 13 episodes.
Season 2 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Picks up essential narrative continuity directly following the events of Cosmos Season 1.
- Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
- Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
- Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.
Season overview
Cosmos Season 2 continues the overarching saga across 13 episodes.
Episode Guide
Season 2 Progress Shield
Ladder to the Stars
Mar 9, 2020
An adventure spanning billions of years into the evolution of life and consciousness. A visit to a 100,000-year-old laboratory. The story of the change in life-style that radically
The Fleeting Grace of the Habitable Zone
Mar 9, 2020
There is no refuge from change in the cosmos. There will come a time in the life of the Sun when Earth will no longer be a home for us. The story of our ancestors who rose to a com
Lost City of Life
Mar 16, 2020
A new vision of genesis at the bottom of the blood red sea of the infant Earth. And the story of the man who found the first clues to life's beginning in a green jewel. As he searc
Vavilov
Mar 16, 2020
In the first half of the 20th century pioneering geneticist Nikolai Vavilov traveled 5 continents assembling a treasury of the worlds seeds. He dreamed that science could be the me
The Cosmic Connectome
Mar 23, 2020
A voyage of discovery through the evolution of consciousness with stops in ancient Greece, a visit to the largest life form on Earth, into the poignant dream of an abandoned orphan
The Man of a Trillion Worlds
Mar 23, 2020
A child lies on the rug of a tenement dreaming of interstellar adventures. At the dawn of the space age, a young Carl Sagan's career is forged in the clash of his mentors, two scie
The Search for Intelligent Life on Earth
Mar 30, 2020
A revelation of the hidden underground network that is a collaboration of four kingdoms of life, and a true first contact story between humans and beings who communicate in a symbo
The Sacrifice of Cassini
Mar 30, 2020
The mysterious untold story of the scientist who figured out how to go the Moon while fighting for his life in a WWI trench. He wrote a letter to fifty years in the future. It made
Magic Without Lies
Apr 6, 2020
Meet the man who stumbled on a hole in the reality of quantum mechanics and the still-unfolding technology that made it possible.
A Tale of Two Atoms
Apr 6, 2020
How a deadly embrace between science and state altered the fate of the world, and a gripping cautionary tale of mass casualty and unlikely survival.
Shadows of Forgotten Ancestors
Apr 13, 2020
An exploration of human potential for change, concluding with the story of one of history's greatest monster and his virtuous transformation.
Coming of Age In The Anthropocene
Apr 13, 2020
A baby is born on the day the show premieres. What kind of world can she expect to grow up in? One of her possible futures is explored.
Seven Wonders of The New World
Apr 20, 2020
Take a trip to the 2039 New York World’s Fair, where the problems we now consider hopeless have been solved and thrilling possibilities exist.