[1][2] Although a nature documentary, a significant part of the series is made with CGI featuring Chris Packman narrating with voiceovers.
More than 200 leading palaeontologists, geologists, climatologists, and other specialists were consulted for the series.
[7] The Daily Telegraph was less happy with the "doom laden" message presented in the show and gave it 3 stars.
[8] The Irish Independent was also less than impressed, describing Packham's delivery as "self-righteous" and "annoying" to the extent it undermines the serious message of the show.
[10] Packham published a book with Andrew Cohen titled Earth: Over 4 Billion Years in the Making, which ties in with the show.