WALNUT GROVE, Minn. (WCCO) --It was 35 years ago that the TV show "Little House on the Prairie" made its debut. And soon afterward, viewers everywhere knew about Walnut Grove, Minn.

The family returned to Walnut Grove in 1878. However, a year later, when Charles Ingalls took a job with the railroad, they moved again, settling in De Smet, Dakota Territory.