Gravity (2 discs) - Blu-ray + 4K Ultra HD

Top physician and engineer Dr. Ryan Stone (Sandra Bullcok) embarks on her first space mission, accompanied by veteran astronaut Matt Kowalski (George Clooney).
During a seemingly routine ascent into interstellar space, disaster strikes. The shuttle is destroyed and Stone and Kowalski find themselves all alone, tethered only to each other, heading into the dark depths of space. Fear slowly turns to panic, and their tiny oxygen reserves grow thinner with every breath. But getting home means going to even more distant corners of that terrible void.

ULTRA HD
Ultra HD (sometimes referred to as UHDTV or 4K) means high definition (3840×2160). The 3840×2160 resolution is equivalent to 8 million pixels, which means it offers four times the detail of FullHD.