i belive that is " the untold story" documentary .if it is uou find it here. it have 14 parts.
http://youtube.com/results?search_query=freddie+mercury+the+untold+story&search=Search
and now, my turn
http://www.youtube.com/watch?v=3KN1BkOmovc from minute 2
and it continued in the part 7 too.
http://www.youtube.com/watch?v=slwC6U2cQt4