Follow a team of more than 10,000 engineers and construction workers as they race to build a brand new railway under London - Crossrail - London's new Underground.
Claudia Winkleman hosts a general knowledge quiz show where teams must answer just one question correctly to win £100k. But that one question comes with 20 potential answers - and only one is correct.
Which of the seven participating teams will be the Piñata Heroes? Their piñatas have to be colorful, creative and impress the picky jury: a group of kids!
Captain Kerry Titheradge, with years of experience in waters around the world, keeps the crew of motor yacht Mercury in line as they navigate the perilously narrow but breathtaking fjords of Norway.