I believe all have been played at least once, except Ghost, which is still cellophane sealed.
Xanadu – 1980 – PG
Ghost – 1990 – 15
Four Weddings & a Funeral – 1995 – 15
The Full Monty – 1997 – 15
The Sixth Sense – 1999 – 15
Love Actually – 2004 – 15
(not tested recently due to not having a video player now)