The Real Wizard wrote: You're confusing two different shows - Feb 28 and March 1.
http://queenlive.ca/queen/81-02-28.htm
http://queenlive.ca/queen/81-03-01.htm
Only the March 1 show was ever broadcast on TV.
But it's rumoured that all three shows (March 8 also) in Buenos Aires were filmed in their entirety.
This is speculation, folklore and wishfull thinking.... let's hope all are complete somewhere on this earth....