Overview:
The Grand Knockout Tournament (colloquially also known as It's a Royal Knockout) was a one-off charity event which was shown on British television on 19 June 1987. It followed the format of It's a Knockout, a slapstick TV gameshow which was broadcast in the UK until 1982. The event was staged on the lakeside lawn of the Alton Towers stately home-cum-theme park.
Revenue:
$N/A
Date Released:
06/19/1987
Prince Edward, Duke of Edinburgh
Self
Prince Andrew, Duke of York
Self
Anne, Princess Royal
Self
Sarah Ferguson
Self
Prince Richard, Duke of Gloucester
Self