You may possibly want to mute the sound so that you can't hear hysterical owner's mental melt-down, but the video is quite, quite amazing.
Best part: when the dog comes round, and just tries to carry on as normal.
Weren't you dead less than thirty seconds ago? Shouldn't you be telling us about bright lights, men wearing long white dresses, playing harps and long walks in the park which never seemed to end?
The only logical explanation: zombie dog. Or just one very, very advanced at playing dead.