Overview: Professor Brian Cox continues his tour of the solar system revealing that it was once home to not one, but two blue planets.
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First Air Date: May 28, 2019Last Air date: Jun 25, 2019Season: 1 SeasonEpisode: 5 EpisodeRuntime: 60 minutesQuality: HDIMDb: 8.30 / 10 by 48 usersPopularity: 10.166Language: English