Season 4 Episodes24
Cast1
Leonard Nimoy
Narrator
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7.1
Earth Visitors
7.1/10 · 35 votesJan 31, 198030 min
Ranked #22 of 24 in Season 4•−0.5 vs season avg
"In Search of ..." examines evidence that life on earth began when extraterrestrials brought it here.
Seasons7
Episode Summary
"Earth Visitors" is episode 19 of In Search of... season 4. It scored 7.1/10 from 35 votes, ranking #22 of 24 episodes this season (season average 7.6). It aired on January 31, 1980.