TomPetty/Mr.Rogers

I swear there was an episode of Mr. Rogers Neighborhood where Mr. Rogers announced that his guest was Tom Petty and the Heartbreakers. The camera panned back to reveal the set that Mr. Rogers was shot on, and in an open space on the set Tom Petty & the Heartbreakers played a song. I've scoured the web looking for anyone to confirm this but I've found nothing. This may just be a delusion.