The BEST episodes directed by Alice Harper

Origins (1): Earth is Born
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8.27
11 votes

#1 - Origins (1): Earth is Born

NOVA - Season 31 - Episode 11

NOVA traces Earth's geologic evolution. The program chronicles the formation of Earth from solar system dust particles that coalesced and became one of the four rocky planets closest to the sun.

Origins (2): How Life Began
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8.14
7 votes

#2 - Origins (2): How Life Began

NOVA - Season 31 - Episode 12

NOVA chronicles the discoveries that led to scientists' current understanding of how the universe was formed. The program describes the serendipitous discovery of the Cosmic Microwave Background (CMB) radiation, a faint energy signal believed to be left over from the big bang.