NBC (11/13/1982, SNL)

Not only The PBS Logo Appears in the sketch, It's also had a parody version of NBC Logo at the end in the same episode.
I will upload the full version of this sketch soon
edit: well i did not upload the full version of this sketch due to my file storage but you can still watch it at archive.org
sources:
archive.org/de...

[@NelvanaFan1971]

PBS: Proud as a Ph.D!

[@NelvanaFan1971]

taken from the comedy network airing of snl

[@kaylebrodriguez5591]

Take From Sesame Street 1969

[@idelsagil9129]

Its Big Bird!