Kate Humble, Simon King, Chris Packham and the team track the stories and the glories of the changing season. Watch episodes online and keep an eye on our Autumnwatch webcams.
BBC Four's look at Britain's love affair with technology includes Micro Men, an affectionate comic drama about the 1980s battle between Acorn and Sinclair computers.
Addiction expert John Marsden makes a professional and personal exploration of our relationship with alcohol, by undergoing physical and neurological examinations to determine its impact.
Watch stunning clips of your favourite animals from past BBC Natural History programmes. Highlights include:
Regular updates from the BBC Natural History unit on nature and the environment. Here are some of the latest stories:
Internet technology has transformed our lives - and the BBC wants your input for a documentary marking the web's 20th birthday.
To accompany the series in which families cope with old technology, travel down the Time Tunnel to see what we were using in decades past.
Get to know yourself by taking our personality test. Or see if you can spot a fake smile.
Radio 4 follows whales, birds and other creatures as they move around the continent.