Some have fond memories watching “It’s the Great Pumpkin, Charlie Brown.” The television special is celebrating its 50th anniversary since the Charles Schultz cartoon hit the airwaves.To honor this milestone, farmers across the country have featured “Peanuts” themed corn mazes this season.The MAiZe, Inc. specializes in corn maze designs, mapping out planting and cutting the corn to 90 farms this season honoring the classic cartoon.“It’s the Great Pumpkin, Charlie Brown” will air on Friday Oct. 28 on ABC stations.