8.2/1013 votes#1 - Ladder to the Stars
Season 2 Episode 1 - Aired 3/9/2020
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 altered human existence and the life of the heretic who found god in the book of nature, opening our way to the stars.
Director: Brannon Braga
Writer: Ann Druyan
8.2/1012 votes#2 - The Fleeting Grace of the Habitable Zone
Season 2 Episode 2 - Aired 3/9/2020
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 comparable challenge and a long-term vision of our future on other worlds.
Director: Ann Druyan
Writer: Ann Druyan, Brannon Braga
7.8/109 votes#3 - Lost City of Life
Season 2 Episode 3 - Aired 3/16/2020
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 searched for life's origin, he risked his own, daring to toy with his Nazi tormentors.
Director: Brannon Braga
Writer: Ann Druyan, Brannon Braga
8.3/1010 votes#4 - Vavilov
Season 2 Episode 4 - Aired 3/16/2020
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 means to end hunger. His refusal to tell a scientific lie cost him his life. The heroism of his colleagues and its direct impact on your life is one of the most stirring stories in the history of science.
Director: Ann Druyan
Writer: Ann Druyan, Brannon Braga
7.6/109 votes#5 - The Cosmic Connectome
Season 2 Episode 5 - Aired 3/23/2020
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 that opened the way to our understanding of the architecture of thought and beyond to a vision of a galactic network of thought.
Director: Ann Druyan
Writer: Ann Druyan, Brannon Braga
7.8/109 votes#6 - The Man of a Trillion Worlds
Season 2 Episode 6 - Aired 3/23/2020
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 scientific titans. Sagan goes on realize his childhood dreams, to carry their research forward and communicate its significance to the whole world.
Director: Ann Druyan
Writer: Ann Druyan, Brannon Braga, André Bormanis
8.2/109 votes#7 - The Search for Intelligent Life on Earth
Season 2 Episode 7 - Aired 3/30/2020
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 symbolic language and have maintained a representative democracy for many tens of millions of years.
Director: Brannon Braga
Writer: Ann Druyan, Brannon Braga
8.4/109 votes#8 - The Sacrifice of Cassini
Season 2 Episode 8 - Aired 3/30/2020
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 the Apollo Mission possible. And the saga of the twenty-year long odyssey of a robotic explorer ordered to commit suicide on another world.
Director: Ann Druyan
Writer: Ann Druyan, Brannon Braga
8.2/108 votes#9 - Magic Without Lies
Season 2 Episode 9 - Aired 4/6/2020
Meet the man who stumbled on a hole in the reality of quantum mechanics and the still-unfolding technology that made it possible.
Director: Brannon Braga
Writer: Ann Druyan, Brannon Braga
8.1/108 votes#10 - A Tale of Two Atoms
Season 2 Episode 10 - Aired 4/6/2020
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.
Director: Brannon Braga
Writer: Ann Druyan, Brannon Braga
7.9/108 votes#11 - Shadows of Forgotten Ancestors
Season 2 Episode 11 - Aired 4/13/2020
An exploration of human potential for change, concluding with the story of one of history's greatest monster and his virtuous transformation.
Director: Brannon Braga
Writer: Ann Druyan, Brannon Braga
8.0/108 votes#12 - Coming of Age In The Anthropocene
Season 2 Episode 12 - Aired 4/13/2020
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.
Director: Ann Druyan
Writer: Ann Druyan, Brannon Braga
7.6/108 votes#13 - Seven Wonders of The New World
Season 2 Episode 13 - Aired 4/20/2020
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.
Director: Brannon Braga
Writer: Ann Druyan
The Best Episodes of Cosmos Season 2
Every episode of Cosmos Season 2 ranked from best to worst. Discover the Best Episodes of Cosmos Season 2!
Famed astrophysicist Neil deGrasse Tyson provides clarity for the vision of the cosmos as he voyages across the universe with never-before-told stories that delve into...
Genre:Documentary
Season 2 Ratings Summary
"Ladder to the Stars" is the best rated episode of "Cosmos" season 2. It scored 8.2/10 based on 13 votes. Directed by Brannon Braga and written by Ann Druyan, it aired on 3/9/2020. This episode is rated 0.0 points higher than the second-best, "The Fleeting Grace of the Habitable Zone".