If you've ever wondered "why", then this is the hour for you. Sometimes simple, sometimes intelligent, but almost always entertaining, probably the best hour of radio you could ever download!
James O'Brien - The Whole Show - 25 Nov 16
Why are the keys on a piano black and white?
Where was the first ever University?
James O'Brien's Mystery Hour
DNA is it exactly 50/50?
Do animals learn to run faster?
A special charity mystery hour - featuring Jones 'The Engineer'
Aled Jones makes a surprise appearance on Mystery Hour
Why do my headphones get tangled up?!
How are the letters on bus stops decided?