Global

James O'Brien's Mystery Hour

Comedy EN ↓ 608 episodes

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!

Author

Global

Category

Comedy

Podcast website

www.lbc.co.uk

Latest episode

Jun 25, 2026

Where to listen?

Podcasts in the app Replaio Radio Coming soon

Podcasts are coming to the app soon. Install now and be the first to see a whole new take on podcasts

Get it on Google Play Install for free Android 5M+ downloads · 4.8 rating iOS soon

Episodes

Do magnets work in space?- 6 Mar 14 06.03.2014

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!

Why do we say pop your clogs?- 27 Feb 14 27.02.2014

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!

Why does the moon depending on the day seem larger or smaller?r - 20 Feb 14 20.02.2014

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!

When did the Mixtape start?- 13 Feb 14 13.02.2014

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!

Can a Judge be called up to go on Jury duty?- 6 Feb 14 06.02.2014

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!

Why do coins but not bank notes have dates on? - 30 Jan 14 30.01.2014

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!

What qualifications do you need to be a vicar? - 23 Jan 14 23.01.2014

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!

Who invented swimming? - 16 Jan 14 16.01.2014

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!

When does a murder become an assasination?- 9 Jan 14 09.01.2014

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!

Where does the phrase hard cheese come from? - 2 Jan 14 02.01.2014

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!

Does the sun have weather? - 12 Dec 13 12.12.2013

Why isn't there a phonetic alphabet for numbers? If you took all boats out of the ocean, would the sea-level drop?

How do you explain colours to blind people? - 28 Nov 13 28.11.2013

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!

Why do stars twinkle? - 21 Nov 13 22.11.2013

Why do stars twinkle, and planets don't? When did the early ages finish? What is the definition of classical music? And other mysteries.

Why is HP sauce HP Sauce? - 14 Nov 13 14.11.2013

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!

How do you build a house on a slope? 7th Nov 07.11.2013

how do you build a house on a slope, how high can fireworks go, does an aeroplane become lighter after food has been consumed?

Can honey be mass produced? 24th Oct 24.10.2013

Do airplane contrails affect the atmosphere? Can you mass produce honey and why aren't there cattle grids at all of the gates in Richmond Park?

Why does my tummy rumble? 17th Oct 17.10.2013

what is para? are final tour tickets binding if a band tours again? why does my tummy rumble? how does live yeast survive freezing? why do the back of my legs take longer to dry?

What has happened to thin sliced bread? 10th Oct 10.10.2013

What are the 49ers, what's happened to thin sliced bread, could we go back in time if the earth was spun anti clockwise and how do you make cider more alcoholic?

How long is the umbilicle cord? 03.10.2013

Is there such a thing as a reverse placebo effect, why does a spider stick to another spiders web and who is the last in line to the throne?

Why do towels get dirty? 26th Sept 26.09.2013

If we're clean when we use a towel, then why do towel's get dirty? Why do dogs lift a paw when they're paying attention and can you change your godparents?

Who made the first cake? 19th September 19.09.2013

Did the big bang take place in silent darkness? Can a bird be called pregnant if she carries an egg? Does bubble bath make a bath warmer?

Can Astronauts cry in space? - 12 Sep 13 12.09.2013

Why is fat flammable, does blood get thinner in winter, and why do flies always die on their backs? And other mysteries...

What is a decibel? - 5 Sep 13 05.09.2013

Could Chickens survive a fall from a tall building? What is a decibel? Why does salt melt ice? And other mysteries...

Is an apple alive? 29th August 29.08.2013

Washing Up - why the word 'up'? how tall do you have to be to not be affected by cutting raw onions and how do you treat restless leg syndrome?

Why don't we eat blue food? 22nd August 22.08.2013

Is a banana a herb, when do wasps sleep, why don't you see stars behind moonwalkers and why do estate agents always sponsor fetes?

Listen to the James O'Brien's Mystery Hour podcast in Replaio

Radio and podcasts in one app - free, with no sign-up. Install today and do not miss the launch

Get it on Google Play

Replaio is not a podcast publisher; show names, artwork and audio belong to their authors and are distributed through public RSS feeds.