This cornfield?
Twilight Zone, 3rd season (1961-62)
It's a Good Life
Writer: Rod Serling, based on the short story "It's a Good Life" by Jerome Bixby
Director: James Sheldon
Cast: Billy Mumy, Cloris Leachman, Alice Frost, Jeanne Bates, Casey Adams, John Larch, Tom Botcher, Don Keefer, Lenore Kingston.