Cosmos S1E9 — The Lost Worlds of Planet Earth

9.0

Cosmos•Season 1•Episode 9

The Lost Worlds of Planet Earth

9.0/10 · 1,885 votesMay 4, 201444 min

Ranked #8 of 13 in Season 1•matches the season avg

Discussion

The Ship of the Imagination embarks on a journey through space and time to grasp how the autobiography of the Earth is written in its atoms, its oceans, its continents and all living things. Later, American geologist Marie Tharp creates the first true map of

Directed byBrannon Braga

Written bySteven Soter, Ann Druyan

Previous episodeE8 · Sisters of the Sun Next episodeE10 · The Electric Boy

Seasons2

All 1 2

Season 1 Episodes13

E1 9.1

Standing Up in the Milky Way

E2 8.9

Some of the Things that Molecules Do

E3 9.0

When Knowledge Conquered Fear

E4 9.1

A Sky Full of Ghosts

E5 9.0

Hiding in the Light

E6 8.7

Deeper, Deeper, Deeper Still

E7 8.8

The Clean Room

E8 8.9

Sisters of the Sun

E9 9.0Now viewing

The Lost Worlds of Planet Earth

The Electric Boy

The Immortals

The World Set Free

Unafraid of the Dark

Cast2

Neil deGrasse Tyson

Self - Host

Ann Druyan

Crew3

Brannon Braga

Director

Steven Soter

Writer

Ann Druyan

Writer

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Episode Summary

"The Lost Worlds of Planet Earth" is episode 9 of Cosmos season 1. It scored 9.0/10 from 1,885 votes, ranking #8 of 13 episodes this season (season average 9.0). Directed by Brannon Braga and written by Steven Soter, Ann Druyan, it aired on May 4, 2014.

Next: E10 · The Electric Boy Best of Season 1