TV Alien Earths - Season 1 Alien Earths - Season 1 8/10 by 1 users Details Casts Posters Images Title Alien Earths - Season 1 Alternative Titles First Air Date 2009-08-02 Last Air Date 2009-08-30 Number of Episodes 5 Number of Seasons 1 Genres Documentary, Networks National Geographic, Casts Plot Keywords , Episodes List Alien Earths Season 1 :Episode 1 Episode 1 Episode 1 2009-08-02 Alien Earths Season 1 :Episode 2 Episode 2 Episode 2 2009-08-09 Alien Earths Season 1 :Episode 3 Episode 3 Episode 3 2009-08-16 Alien Earths Season 1 :Episode 4 Episode 4 Episode 4 2009-08-23 Alien Earths Season 1 :Episode 5 Episode 5 Episode 5 2009-08-30
