Lucas, the Ear of Corn (1977)

Through the charming use of colorful cut-out animation, Lucas, a young ear of corn, finds out about growing up, and the meaning of life. It's a children's story, with a dark and humorous ending.
The story of Lucas, a young ear of corn, from his days in the cornfield with his mother to the moment he ultimately meets his fate as a meal for a young boy.