It followed the format of It's a Knockout (the British version of Jeux sans frontières), a slapstick TV game show which was broadcast in the UK until 1982.
Although regarded as a failure, a similar show without royal involvement was made the following year at Walt Disney World in Florida, featuring teams of celebrities representing the United Kingdom, USA and Australia.
[1] The show featured Prince Edward, the Princess Royal and the Duke and Duchess of York as non-participating team captains, each of whom supported a different charity.
[1] The show was hosted by Stuart Hall, Les Dawson and Su Pollard, with Hal Linden providing commentary for the U.S. telecast.
The journalists, unbeknownst to Prince Edward, hadn't seen the event properly as they had been kept confined in the press tent, separate from the celebrities and members of the royal family who had taken part, and were underwhelmed and unhappy at such an arrangement.