Gravity Gravity Gravity!!!

Must-watch in 3D. You lose like 50% of the immersion in 2D.

Also it's not really useful but the Kung fu panda movies are great in 3D, there's a ton of depth, it rules. Doctor Strange 1, while being a post-conversion, works so well in 3D, especially the first "space travel" and the "fractal chase" in the middle