Nightmares & Dreamscapes - Season 1 Episode 7 -

A businessman on vacation, Howard Cottrell, is bitten by a snake while playing a round of golf. He is taken to the nearby hospital's autopsy room, but the staff is unaware that he is in a deathlike coma but not dead. Now Howard will have to be a silent but fully conscious witness to his own autopsy unless he can somehow manage to communicate with the doctors.