Bowman is forced to use the pod’s explosive bolts to blow the door off and enter the emergency airlock manually. He survives the decompression and makes his way to HAL’s logic memory center. Despite HAL’s pleas for mercy— "Stop, Dave. My mind is going. I can feel it." —Bowman systematically disconnects HAL’s memory banks.
Bowman returns to Earth as the Star Child. The last shot shows the fetus looking at the planet. The question Kubrick leaves open: Is the Star Child a benign shepherd, or a predator like the Moonwatcher with his bone? 2001 A Space Odyssey Full