In the third episode, Will Smith crosses the Serengeti to catch one of the greatest events of nature. "An image, one and a half million wildebeests on the plains of Africa in the most dramatic migration on Earth, has stayed with me since around thirty years ago I picked up a National Geographic Magazine and saw it. And finally, I'm here to see it."

Hitler’s rise to power was a unique moment in history. Germany suffered a humiliating defeat in WWI; now it's crippled by massive war reparations. Hitler offers a scapegoat: the Jews. The Nazis are quick to institute anti-Semitic laws and stoke distrust of the Jews. Anyone deemed 'undesirable,' from political opponents, to the handicapped, gypsies and Jews are sent to camps. There they are either worked to death, starved or executed. But just how much did the rest of the world know of what was going on?

This episode is all about Williams Racing. After over forty years in F1, the family from which the team is named has sold up, and the not-ominous-sounding-at-all Dorilton Capital has moved in and is ringing the changes. They have got a motor sport man through and through to run it though: former Volkswagen WRC principal Jost Capito. The new boss soon starts scything through the team with ruthless German efficiency.
George Russell soon gets in the mood also, like a prefect joining in with the teacher grassing someone up, saying some team members need to be given the shove. The team does come through to score a valiant eighth and ninth in Budapest. The new regime is rocking and rolling.

Space. Gone are the bayonets and pistols, the bows and arrows, the slingshots and stones of past warfare. Now, we have pushed into the outer limits, into a vast frontier, well beyond earth's atmosphere. Human beings have long contested the domains of air, land, and sea. Now we are racing toward a new domain. How we use space will decide our Earthly fate, a future determined not by any previous war.

In this mind-bending series, Professor Jim Al-Khalili explores the vast range of size in the universe, from tiny atoms to gigantic, interconnected galaxies.
In the first episode, Jim will enter the world of objects that are too tiny to glimpse with the naked eye. Starting with the smallest insects, he moves on to encounter living cells with amazing superpowers and confronts some of humanity's deadliest enemies in the form of viruses. Going smaller still, he encounters wondrous new nanomaterials such as graphene, discovered by physicist Andre Geim. These are revolutionising engineering, medicine, computing, electronics and environmental science. Finally, Jim comes face to face with the fundamental building blocks of the world around us – atoms – and reveals why understanding the science of the 'small' is crucial to the future of humanity.

In 2011, a Social Security lawyer named Eric C. Conn and a judge named David Daugherty were investigated for committing massive fraud over many years. Conn figured out that he would get paid a hefty retainer for every Social Security disability payment he managed to get approved, so he and Daugherty (who need quick cash to pay for his daughter’s upcoming narcotics trial – which presumably meant bribing an awful lot of people) came to an arrangement.
In the second episode, Investigators starts to collect evidence against Eric and Judge Daugherty. The whistle-blowers are pressured.