I had it in my head that it was called 'Endurance'. As an aside, Margarita Pracatan has just coofed it.Back in 2001, I think it was called Banzai.....now that was entertainment! I think I first saw clips of it on the Clive Anderson show.
"Its a great way of bonding with the boy but unfortunately it requires twice as much kit"..... that was the excuse my father used on my mother all those years ago and it seemed to work. Along with that method of father-son bonding were the beer and late night fry ups.