Did you catch the premiere of the new NBA TV documentary The Doctor last night? If not, make sure you do at some point. It's worth your time.

If you didn't catch it, here's the one clip you need to see. It's proof that Julius "Dr. J" Erving can still dunk a basketball in spite of the fact that he's now 63 years old. He gets up and throws it down pretty easily, too. How impressive is that?

RELATED: Dr. J's Most Badass Moments

[via For The Win]