The Hobbit: The Appendices - The Gathering Storm

Part XI - The Gathering Storm is a documentary that shows the making of the first half of The Hobbit: The Battle of the Five Armies. It covers the filming of various scenes and locations, such as Dol Guldur, Lake-town, Erebor and the Lonely Mountain. It also features interviews with the director, the writers, the actors and the crew. It gives an insight into the challenges and joys of completing the trilogy.