March of the Penguins
In addition, film categories not known for their popular appeal in North America became increasingly attractive to moviegoers: foreign language films such as "Crouching Tiger, Hidden Dragon", "Hero" (2002), "The Passion of the Christ", and "Pan's Labyrinth"; as well as documentary films like "An Inconvenient Truth", "March of the Penguins", "Super Size Me", and "Fahrenheit 9/11" became very successful.