BBC Three HD Tuesday

David Attenborough looks at life in Asia, with footage of walruses gathering in huge numbers in the frozen north and brown bears roaming around remote Russian volcanoes

Jeremy Clarkson and James May pay tribute to Swedish car manufacturer Saab, and actor Matt Smith gets behind the wheel of the Reasonably Priced Car

An inquisitive student investigates the disappearance of a fellow schoolgirl, supposedly murdered by her boyfriend five years earlier. Crime drama, starring Emma Myers

Now a team, Pip and Ravi turn their attention to Andie's best friends and find out Andie had a secret life that Sal was unhappy about. Crime drama, starring Emma Myers

Chief bridesmaid Becky has to deal with an excited Laura on the morning of her nuptials and best man Steve cannot find Paul. Comedy, with Russell Tovey and Kerry Howard

Laura and her bridesmaids party in the limousine half an hour before the wedding, while groom Paul has a big decision to make. Comedy, starring Kerry Howard

Documentary series in which Cara takes a personal exploration and deep-dive into the biggest questions about human sexuality, to find out what makes us who we are

Jeremy Clarkson and James May pay tribute to Swedish car manufacturer Saab, and actor Matt Smith gets behind the wheel of the Reasonably Priced Car

The bricklayers are in danger of busting the site's schedule. After reaching crisis point, Lucas makes a decision on his future. Labourer Lauren to save the day

Jeorgia reveals plans to build her own home, but getting planning permission could prove tricky. Amateur boxer Charlie's hopes for a title fight take a knock

Chief bridesmaid Becky has to deal with an excited Laura on the morning of her nuptials and best man Steve cannot find Paul. Comedy, with Russell Tovey and Kerry Howard

An inquisitive student investigates the disappearance of a fellow schoolgirl, supposedly murdered by her boyfriend five years earlier. Crime drama, starring Emma Myers

Now a team, Pip and Ravi turn their attention to Andie's best friends and find out Andie had a secret life that Sal was unhappy about. Crime drama, starring Emma Myers