Aired Tuesday 28 January, 4:15pm - 5:15pmon BBC Two

The Planets

Name: 4:15pm - Series 1 Episode 2
Start: 2025-01-28T16:15:00Z
End: 2025-01-28T17:15:00Z
Location: BBC Two

Series 1 Episode 2: The Two Sisters - Earth & Mars

Professor Brian Cox's continues his tour of the solar system revealing that it was once home to not one, but two blue planets. For millions of years, Mars enjoyed oceans blanketed by a thick atmosphere and a temperate climate. Whilst at the same moment Earth was afar less favourable habitat.

Category: Documentary / Miniseries / Science
Original air date: 04/06/2019

Cast and crew

Stephen CooterDirector
Brian CoxHost