The huge IMAX screen is such a special effect in itself that 3-D seems needless, especially in documentaries that can use it only so much. But the in-your-face impact does add another dimension, which ...

Johnny Depp and Kate Winslet will narrate an underwater documentary to be released exclusively on Imax screens. Deep Sea 3D, an Imax and Warner Bros. Pictures collaboration, was filmed by Howard Hall, ...