Size Matters

Anthony Morgan explores the extraordinary ways that animals hear and produce sound, and the crucial role sound plays in the lives of animals around the globe - from birth to surviving adulthood and finding a mate.

Zoboomafoo is an American children's television series that aired from January 25, 1999, to April 28, 2001, and is still shown today in syndication depending on the area, and it is regularly shown on PBS Kids Sprout. A total of 65 episodes were aired. A creation of the Kratt Brothers, it features a talking Coquerel's Sifaka, a type of lemur, named Zoboomafoo, or Zoboo for short, and a collection of repeat animal guests. Every episode begins with the Kratt brothers in "Animal Junction", a peculiar place in which the rules of nature change and wild animals come to visit and play. After January 16, 2004, the show was pulled from its weekday airing on most PBS stations, though some continue to air the show.

David Attenborough uses pioneering 3D-techniques and technology to explore the unique environments and species of the Galapagos.

David Attenborough reveals the surprising truth about the cold-blooded lives of reptiles and amphibians. These animals are as dramatic, as colourful and as tender as any other animals.

David Attenborough embarks on a remarkable 500 million-year journey revealing the extraordinary group of animals that dominate our world, and how their evolution defines our human bodies.

David Attenborough celebrates the amazing variety of the natural world in this epic documentary series, filmed over four years across 64 different countries.

Walking With Prehistoric Beasts explores how life on earth first began. Using real footage, the series goes inside the body of our monster ancestors. For the first time, morphing technology is used to reveal how our ancestors evolved.

Hawking gives us the ultimate guide to the universe, a ripping yarn based on real science, spanning the whole of space and time -- from the nature of the universe itself, to the chances of alien life, and the real possibility of time travel.