I've just found these listed on the British Film Institute website. Wouldn't it be great if they were available to watch again?
1. CAPTAIN OF THE QE2, 1980
2. SONGS OF PRAISE: AT SEA ON THE QE2, Great Britain, 1990
3. QE2 BAHT'AT PART 1, Great Britain, 1999
4. QE2 BAHT'AT PART 2, Great Britain, 1999
5. TIMEWATCH: QE2: THE FINAL VOYAGE, Great Britain, 2009
6. CUNARD PRESENTS QE2 - EIGHTH WONDER OF THE WORLD, USA, 1979
7. CARRY ON QE2, Great Britain, 1995