U&Eden +1 Saturday

Exploring the secret, Cold War US government bunker hidden under Greenbrier Hotel in West Virginia; Plus, delve into the depths of a former slate mine in Wales, UK.

A chance to buy goods from the comfort of home

Animals, like humans, are capable of inventing improved ways of accomplishing tasks. But how do knowledge and culture spread in animal communities?

We already know that animals have family, but do their relationships extend into the realm of friendship as well?

Family often forms the epicentre of social networks. Animals like Grevy's zebra have loose family ties, while for the spotted hyena, family is a source of privilege

With ecosystems under extreme pressure, animals must draw strength from their group resilience which allows them to adapt, transform and weather the storm

As with humans, animals have their own unique personalities. Each individual uses their own tactics to navigate their relationships and social networks

Costa Rica's unique forest - abundant during the rainy season, camouflaged and asleep during the dry season - is home to a splendid diversity of plants and wildlife

Animals, like humans, are capable of inventing improved ways of accomplishing tasks. But how do knowledge and culture spread in animal communities?

We already know that animals have family, but do their relationships extend into the realm of friendship as well?

A tip in a counterfeit perfume case leads Carver and Ackland to two pensioners who have a reputation for stealing things

A chaotic day at Sun Hill sees workmen, new cases and the arrival of new police constable Abel Lyttleton

Quiz in which contestants try to score the fewest points possible by giving the least obvious correct answers to questions. Presented by Alexander Armstrong, with Richard Osman

Quiz in which contestants try to score the fewest points possible by giving the least obvious correct answers to questions. Presented by Alexander Armstrong, with Richard Osman

Finn's relationship with Allie starts to fall apart, and the revelation surrounding Ralfie may be the final straw

A tip in a counterfeit perfume case leads Carver and Ackland to two pensioners who have a reputation for stealing things

A chaotic day at Sun Hill sees workmen, new cases and the arrival of new police constable Abel Lyttleton

Quiz in which contestants try to score the fewest points possible by giving the least obvious correct answers to questions. Presented by Alexander Armstrong, with Richard Osman

Quiz in which contestants try to score the fewest points possible by giving the least obvious correct answers to questions. Presented by Alexander Armstrong, with Richard Osman

Finn's relationship with Allie starts to fall apart, and the revelation surrounding Ralfie may be the final straw

We already know that animals have family, but do their relationships extend into the realm of friendship as well?

Family often forms the epicentre of social networks. Animals like Grevy's zebra have loose family ties, while for the spotted hyena, family is a source of privilege