Fred Rogers rehearses the opening of his PBS show Mister Rogers’ Neighborhood, which premiered Feb. 19, 1968.

Fred Rogers rehearses the opening of his PBS show Mister Rogers' Neighborhood, which premiered Feb. 19, 1968.

Fred Rogers rehearses the opening of his PBS show Mister Rogers’ Neighborhood, which premiered Feb. 19, 1968.

Fred Rogers rehearses the opening of his PBS show Mister Rogers’ Neighborhood, which premiered Feb. 19, 1968.