Richard takes a look at the discomfort that he suffers while on public transport and is joined by Russell Howard on London's tube network to assess the effectiveness of gadgets designed to deal with poor air quality and extreme heat.

This episode features the world's tiniest caravan and 360 degree cameras, 300 litre rucksacks and a pair of trousers that transform into a picnic table.

With the combined horror of picnics, days out and bracing walks in the countryside looming, Richard turns to comedian Phill Jupitus to hold his hand through this 'trial by leisure'.

Richard heads to the strip-lit aisles of the supermarket where farmer and foodie Jimmy Doherty joins him to check out a robotic shopping assistant, a fruit ripeness reader and a food ethics scanner.

And Richard and actress Alison Steadman visit a busy department store to check out a 3D virtual mirror and a mannequin with expanding bust and hips.

Can Richard Ayoade make himself a brighter man with the aid of gadgets? He gets Eamonn Holmes and actor Richard E. Grant to help, and challenges memory legend Dominic O'Brien to a contest.

Comedians Seann Walsh and David Mitchell help Richard in his endeavour to prove that gadgets can make it possible to lead a full life, without even leaving the house.

Richard invites celebrity foodie Adrian Edmondson to his revolutionary bistro, where there's printed food, robot waiters, levitating desserts and clear coffee.

Richard meets an army of window-cleaning robots, samples some garden pods recommended by designer Naomi Cleaver and visits a super high tech home with Claudia Winkleman.

Richard and celebrity friends help improve Christmas with gadgets for shopping, to wrap presents, beat the weather, cook the dinner and even improve your carol singing.