Went on tippinging point a few years back which was a decent do.
Was sat watching with family and said "I'd be better than them"... Googled it and they were taking applications - got a phone call 15 mins later to test my general knowledge, got asked to go to Manchester to do a face to face interview thing in front of a camera and answer more general knowledge questions then got invited down to London to film it.
I got to the final 2 and got lost out on any prizes bag the £50 they gave me as an allowance after they paid for my train tickets and taxis and hotel etc for the trip.
Good experience all in all and would have a crack again if something popped up I fancied.