Big Bird in Australia was a concert special that aired in Australia during the 1980s. The special has Big Bird conducting an orchestra.
Bruno the Trashman, on roller skates, bringing out Oscar the Grouch, who at first tricks the audience into thinking he had eaten Big Bird, but then reveals that he told Big Bird the concert was at another location, so he can replace the music with grouch music.
Big Bird bringing out his penguin friend, Shivers, who is shy at meeting the kids in the audience. (YouTube)