'' 20,000 Days on Earth '' received general acclaim upon its premiere at the 2014 Sundance Film Festival . Review aggregator Rotten Tomatoes reports that 97 % of 38 film critics have given the film a positive review , with a rating average of 7.4 out of 10 . On Metacritic , which assigns a weighted mean rating out of 100 reviews from film critics , the film holds an average score of 84 , based on 15 reviews , indicating " universal acclaim "
2014 Sundance Film Festival
2014 Sundance Film Festival
20,000 Days on Earth