That would have been the weirdest tangent on a Wikipedia page. Jim Henson, Muppets, Sesame Street, retired characters, Big Bird oh was that an early version of Abelardo?, Challenger shuttle dis-- what. What? What the fuck?!
When the guy who played Mr. Hooper died, they worked that into the show. The cast, sincerely grieving, had to explain to a seven-foot-tall canary that he wasn't coming back. That's not really he same kind of intrusion from reality, as acknowledging the same giant fowl fucking exploded on national television.
The only possible comparison would be if some show had a gimmicky live episode that happened to be scheduled for 9 AM, on a Tuesday, in September of 2001.