Claim: The second segment of The Sunny Side Up Show, a television programming block which currently airs on Sprout (an American pay television channel owned by the NBCUniversal Television and Streaming division of NBCUniversal, a subsidiary of Comcast), involves birthday cards and wishes, which Mr. Mailman, a mailman puppet, would send to the Sunshine Barn.
Evidence: Sunny Side Up (previously known as The Sunny Side Up Show) is a defunct television programming block which premiered on Sprout on September 26, 2007 and ended on August 11, 2017. Universal Kids (formerly PBS Kids Sprout and Sprout as the logo used to be) is an American pay television channel owned by the NBCUniversal Television and Streaming division of NBCUniversal, a subsidiary of Comcast. The block starts with the host and Chica greeting the viewers, and explaining the date and weather, and the day's theme. The next segment involves birthday cards and wishes. Mr. Mailman, a mailman puppet, would send the cards to the Sunshine Barn.