As a point of order, the question emphasises that this programme is ‘believed’ to be the most profitable. Consequently we still may not know the real answer when we hear the answer.
I believe the answer could be Hector’s House.
That highlights how the game these days has lost sight of what fans want.
Back in the day fans used to turn up to watch 22 men on a field and try to make comparative anagrams of their names.
These days you’re lucky to spot a single matching pair.