The Revenant is a masterful achievement from all those involved, riding a tidal wave of hype as it makes a bid of Oscar glory. The bulk of that buzz comes from the hellish, nine month shoot in Canada that saw its fair share of problems befall the production, from crew walking off to the film becoming slave to the elements. Now, an extensive 44 minute documentary has come our way, giving us a peek behind the curtain of what really went down. Check it out below.