The Irish comedian is on a mission to solve some real-world brainteasers and conundrums.
Dara O Briain's brainy sidekick, Marcus du Sautoy, reveals how the show is made.
Every field has its TV champion - for maths it's Marcus.
Suavely suited and booted, Dara O Briain's tongue is as sharp as a jagged razor blade.
Meet the purveyor of Quite Interesting facts and the master of the Tweet and bon mote.
He's the master of the pun - bar none. Welcome to the world of Tim Vine on Dave.
The dead-pan wit, master of the topical quip and narrator of many a doc.
The grandest Brand of them all - stand-up queen, Getting On star and ace panellist.
The clever cloggs comedian who's equally at home presenting or as a star guest.
He's blokey, obnoxious, loud-mouthed and downright rude. No wonder we love him.
The words "dead-pan" and "cynical" were seemingly invented for this dour comedian.
The Irish comedian with the power to Mock the Week and make sums interesting.
He calls himself "part troll" but he's also dubbed himself "a kind of klingon".
They don't come more English than Al Murray aka the Pub Landlord.
Comedian, actor, and QI court jester, Alan Davies is a despicably talented chap.
Armstrong isn't your typical pie 'n' gravy working man's club sort of comic.