Dave

Dave encounters GaTa for the first time and learns the social dynamics of the rap world and under her tutelage, he attempts to score a feature verse from YG.

Sam Neill takes us on a rollercoaster ride through the galaxy to discover how disasters in space regularly threaten our entire world. We go back to the very earliest days of our planet to see why we are lucky life ever got started, and we learn just what will happen if a massive asteroid ends up on a collision course with Earth.

As Michael's hidden life comes out into the open, defense experts debate if it will have a significant impact on the coming trial.

The last hours of peace. With the continental powers pushed to the brink, Sir Edward Grey seems unsure of whether to keep Britain out of the conflict. Desperate negotiations, resignations and a battle of wills in the Cabinet reach a crescendo with Germany's ultimatum to Belgium. Which way will Britain go?

Dave has an opportunity to open for a big rapper, but his nerves cause him to spiral into an identity crisis. When Dave asks GaTa to act as his hype man, GaTa is forced to confront memories from his past and reveal his biggest secret to his friends.

Dave and Ally attend her sister's wedding in Napa, and Ally wants to impress her family with the perfect maid of honor speech. Dave struggles to be a good boyfriend while negotiating a record deal.

A little furry animal from the jungles of South East Asia, called a tree shrew, has attracted great interest from scientists because it shows how a great group of animals may have originated - the mammals. David Attenborough looks at some of the huge variety of mammals. Bats number over a thousand species, many hunt insects, some sip nectar, drink blood, and even catch fish. Contrast those which use sonar with the great whales that sing, the star-nosed mole and the giant anteater, and the potential variations become dramatically clear.