Speaking in Tongues

British comedian Richard Ayoade (later taken over by Joe Lycett), accompanied by a celebrity guest, takes a ruthlessly efficient approach to travel, covering everything top tourist destinations have to offer in just 48 hours.

Host Alton Brown explores the origins of ingredients, decodes culinary customs and presents food and equipment trends. Punctuated by unusual interludes, simple preparations and unconventional discussions, he'll bring you food in its finest and funniest form.

Host Adam Conover employs a combination of comedy, history and science to dispel widespread misconceptions about everything we take for granted.

Charlie Brooker's acerbic take on recent TV contains reviews of current shows, as well as stories and commentary on how television is produced.

Brainiac is The Alternative science series that shows you the experiments you were never allowed to do in school. Richard Hammond aims to answer the scientific questions that have been bothering us all such as what you shouldn't put in a microwave and Do mobile phones really cause explosions in petrol stations.

It's "Mr. Wizard" for a different decade. Bill Nye is the Science Guy, a host who's hooked on experimenting and explaining. Picking one topic per show (like the human heart or electricity), Nye gets creative with teaching kids and adults alike the nuances of science.

Australian host Steve Irwin and his wife Terri run a wildlife refuge. Their shared passion is educating the world about wildlife, including the much feared crocodile and numerous venomous snakes. Steve's specialty is the capture and relocation of crocodiles. No animal appears too threatening to Steve, his true respect for animals is the foundation for everything he does.

Natural World is a nature documentary television series broadcast annually on BBC Two and regarded by the BBC as its flagship natural history brand. It is currently the longest-running series in its genre on British television, with more than 400 episodes broadcast since its inception in 1983. Natural World is produced by the BBC Natural History Unit in Bristol, but individual programmes can be in-house productions, collaborative productions with other broadcasters or films made and distributed by independent production companies and purchased by the BBC. Natural World programmes are often broadcast as PBS Nature episodes in the USA. Since 2008, most Natural World programmes have been shot and broadcast in high definition.

Josh Gates goes on the adventure of a lifetime when he and Christopher Lloyd set off to track down the most iconic movie car in Hollywood history, The DeLorean Time Machine from "Back to the Future," and deliver the vehicle to Michael J. Fox.

Journeying to the far reaches of our planet, this eight part series follows some of the world's most amazing species, telling extraordinary stories that are dramatic, thrilling, funny and sometimes heart-breaking, but always full of hope.