Happy Birthday, Fred Rogers! We remember Fred on his birthday with a look back at the many times he invited us to be his neighbor. #bemyneighbor | Fred Rogers Productions

One year after 9/11, Mister Rogers came out of retirement to deliver this message and remind viewers how much he cares about them. In the words of Fred: "It's such a good feeling to know that we're lifelong friends." | Fred Rogers Productions

What better way to brighten your day than listening to Rita Moreno sing "It's You I Like," accompanied by Mister Rogers on the piano?! Rita, her husband, and their daughter stopped by the Neighborhood in 1975. Watch clips from Mister Rogers' Neighborhood on our new website dedicated to the show: http://ow.ly/CHq730nm5Kj | Fred Rogers Productions

What better way to brighten your day than by watching Mister Rogers visit with the cast of Stomp!? Watch the full clip on our newest website dedicated to Mister Rogers' Neighborhood: http://ow.ly/4NKb30mNQVJ #MisterRogers50 | Fred Rogers Productions

On this date in 1969, Fred Rogers testified before a Congressional committee seeking support for a then new idea – national, commercial-free, public television. The rest is history! | Fred Rogers Productions

Exactly one year after 9-11 and just months before his passing, Mister Rogers came out of retirement to deliver this poignant message to his nationwide neighborhood of viewers. We still get choked up. (Video courtesy: Fred Rogers Productions.) | GBH