Emeka Onono

Virologist Dr Chris van Tulleken embarks on a global investigation into the hunt for the pathogen that could trigger the next pandemic and the cutting-edge science developed to tackle it. Known only as ‘Disease X’, it is shrouded in uncertainty. Its origin is unknown, how it could spread is unclear, but its impact could be much more severe than Covid-19. To uncover what Disease X might be, where it could emerge and what traits it needs to spread, Chris follows the paths of past deadly viruses. He visits the ground zero of the Nipah virus in Malaysia, which inspired the film Contagion. He also heads to the front line of the ongoing bird flu outbreak in US dairy cattle in California.

Stacey Dooley travels the world to uncover the hidden costs of the addiction to fast fashion. She sees for herself how toxic chemicals released by the garment industry pollute waterways that millions of people rely on. She witnesses the former Aral Sea, once one of the largest bodies of fresh water, now reduced almost entirely to dust.

Examining Donald Trump’s love affair with social media. Using his tweets and first-hand testimony from White House insiders, this documentary for BBC Three explores how the president of the United States came of age on Twitter and documents the impact of his tweets on politics in America and across the world. With unprecedented access to people in his inner circle and interviews with experts, journalists and some of his most avid Twitter followers, this documentary tells the story of how Trump weaponised Twitter and used it as a tool to shape policy, conduct diplomacy and wage war on the establishment. Trump in Tweets features interviews with, to mention but a few, Anthony Scaramucci, former White House director of communications, who reveals what it is like when the president turns his Twitter feed on you, Sean Spicer, Trump’s first presidential press secretary, who got caught between the president’s tweeting and the press, and Rudy Giuliani, Trump’s personal lawyer.

Brian Cox tackles some of the most challenging and intriguing questions facing science today by using his best material from past programmes and the latest scientific research.