This show's 21 season run (including 10 Daytime Emmies for Outstanding Childrens Show ... second only to Sesame Street) ended in 2006, but after the show's host got the rights, he was able to raise over US$6 million on a Kickstarter campaign (the most individual contributors in Kickstarter history to that time) that allowed him to release a web app that revived the show. Identify this long running show which encouraged literacy.
Reading Rainbow