Well, we asked that very question to Fifteen to One's Sandi Toksvig and Catchphrase's Stephen Mulhern - and then had a bit of office debate about our own favourites...
You Bet! - Stephen Mulhern (Host, Catchphrase)
"This is an easy question: You Bet! It was one of my favourite TV shows and Matthew Kelly was one of my favourite presenters. I love it.
"I can give you some great examples that still amaze me to this day.