[QUOTE=VampiricClown;716540]
(1) There is a person buried in the sand, and when they dig him up, something has eaten him...Or all but his head.
Blood Beach ?
http://www.imdb.com/title/tt0082083/
(2) A little boy found some "Trogladites", and would bring people he didn't like to the pit they were in, and push them into it. And at the end, a little girl invites the boy to go see something, and as he does, she pushes him in.
The Pit ?
http://www.imdb.com/title/tt0086113/
(3) Something about a painting on a wall of a cemetery and a guy crawls out of the grave and closer to the front of the picture as the show goes on.
the 1st ever episode of either Night Gallery - or The Twilight Zone - i forget which (directed by speilberg i believe)