Season 43 · Episode 9 of 19
Aired Jun 22, 2006
Bye Bye Planet Pluto
Thu, Jun 22, 2006
Streaming on PBS
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Is Pluto really a planet? Is it just an asteroid? Horizon investigates.
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Airs
Thu, Jun 22, 2006
Show
Horizon
1174 episodes
Episode
S43 · E9
in Horizon