Where can I watch “Cosmos” Season 2 Episode 1 online?

This page provides episode info and a legal-only guide. It does not host streams or downloads. Check official platforms and licensed services for availability in your region (US first).

Do I need to watch earlier episodes before “Ladder to the Stars”?

Watching earlier episodes in season 2 helps you follow the plot and character arcs leading into this episode.

Watch Cosmos Season 2 Episode 1 Online

“Ladder to the Stars” — Watch "Cosmos" Season 2 Episode 1 online in HD for free. Check streaming providers, cast, and episode details.

Mar 9, 2020 Season 2 Episode 1 43 min TV-G

8.1 ★ ★ ★ ★ ★

16 votes

Cosmos Season 2

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Where can I watch "Ladder to the Stars" online?

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Season 2 Episode 1 — Aired on Mar 9, 2020 • runs about 43 minutes.

Directed by Brannon Braga.

Written by Ann Druyan.

Notable cast/guest names in this episode include Neil deGrasse Tyson, Ann Druyan.

This page includes 4 official still(s) (when available) plus legal availability links.

Looking for “watch Cosmos Season 2 Episode 1 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

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.