While watching Cameron get in touch with his inner Jacques Cousteau won't be to everyone's taste, fans of the director and oceanography gearheads should swoon to the immersive, visually spectacular images of the ocean floor.

| Sep 16, 2014

Adjust your documentary-watching gauge closer to Mutual of Omaha's Wild Kingdom and further away from "Werner Herzog discovers one of the last unspoiled places left on earth," and you'll have a perfectly enjoyable time.

| Sep 16, 2014

If the three hours of filming Cameron did in the Trench yield little obvious drama, the story of how the Deepsea Challenger reached those depths makes up for it.

| Sep 16, 2014

All in all, Deepsea Challenge 3D is a grand, thrilling, and inspirational ride.

| Original Score: 4/5 | Sep 16, 2014

Less explored in all the ensuing back-patting is the question of whether Cameron is, in fact, sincerely interested in learning more about the world around him or whether this mission is merely intended to stroke his own ego.

| Original Score: 1.5/4 | Aug 29, 2014

[James] Cameron... encourages a we're-all-in-this-together camaraderie among his team. The fact remains, however, that he is the only one who actually gets to go on the big adventure, and that most of his associates are being paid to indulge his whims.

| Original Score: 2/5 | Aug 22, 2014

I think it's a very solid documentary.

| Original Score: 3/5 | Aug 20, 2014

...has the careful polish of a campaign ad and the imposed narrative of your average National Geographic special.

| Aug 14, 2014

The film seems to gloss over meaningful logistics of the expedition - such as funding, design and assemblage of the bathyscaphe Deepsea Challenger - as well as the scientific discoveries made from the specimens it collected.

| Aug 8, 2014

Although he didn't encounter anything other than barrenness, he did bring back to the surface 100 new species of microorganisms. I hope National Geographic appreciates the effort.

| Original Score: B+ | Aug 8, 2014

James Cameron upstages the ocean in "Deepsea Challenge 3D," a shallow vanity project that invites us to join him in marveling at his own daring.

| Aug 7, 2014

This movie is meant for the ... audience that's already jazzed about exploring the bottom of the seas.

| Aug 7, 2014

This enthralling documentary, with a few brief moments of fictional re-creation, was made in conjunction with National Geographic Entertainment.

| Aug 7, 2014

The film pays scant attention to [its] stated goal, relegating the discoveries achieved by Cameron's mission to a brief on-screen title at the very end of the film.

| Original Score: 2/4 | Aug 7, 2014

Film lovers will see how Cameron not only came up with ideas like The Abyss and Titanic, but how his drive turns obsession into commercial movies, usually very profitable ones.

| Original Score: 2.5/4 | Aug 7, 2014

The world's most expensive home movie.

Full Review | Original Score: 2/5 | Aug 7, 2014

In many ways the perfect summation of [Cameron's] ultimate purpose as both a person and a filmmaker.

| Original Score: B+ | Aug 7, 2014

On the whole, the film would probably be more at home on cable and at a reduced running time.

| Original Score: 2/4 | Aug 6, 2014

Deepsea Challenge has too little interest in anything that's not Cameron's personal experience.

| Aug 5, 2014