Charlie Brown gets a rock in his trick-or-treat bag in 'It's the Great Pumpkin', Charlie Brown. He is disappointed because he always gets rocks instead of candy. However, he tries to make the best of it by saying he'll use it to decorate his room.
In the 1966 television special "It's the Great Pumpkin, Charlie Brown", Charlie Brown is seen trick-or-treating with his friends. He gets a rock in his trick-or-treat bag.
