Episode 3

In this episode Sir David finds out how the best brains in Britain were recruited to help win a very secret war. From high-tech intelligence to undercover ops, he reveals how the real Qs of World War II defeated Hitler with their ingenious problem-solving and cutting-edge designs. A recently discovered cache of top-secret drawings reveals how Nazi tech boffins plotted to attack Britain on home soil.
Trailer
Recently Updated Shows

48 Hours
48 Hours is a CBS news magazine that investigates intriguing crime and justice cases that touch on all aspects of the human experience. Over its long run, the show has helped exonerate wrongly convicted people, driven the reopening -- and resolution -- of cold cases, and changed numerous lives. CBS News correspondents offer an in-depth look into each story, with the emphasis on solving the mystery at its heart. The program and its team have earned critical acclaim, including 20 Emmys and three Peabody Awards.

Invasion
Earth is visited by an alien species that threatens humanity's existence. Events unfold in real time through the eyes of five ordinary people across the globe as they struggle to make sense of the chaos unraveling around them.

Wednesday
Smart, sarcastic and a little dead inside, Wednesday Addams investigates a murder spree while making new friends — and foes — at Nevermore Academy.

Alien: Earth
When the mysterious deep space research vessel USCSS Maginot crash-lands on Earth, Wendy and a ragtag group of tactical soldiers make a fateful discovery that puts them face-to-face with the planet's greatest threat.

Peacemaker
This James Gunn-created series continues the saga of Peacemaker, a vainglorious superhero/supervillain who believes in peace at any cost — no matter how many people he has to kill. After a miraculous recovery from his duel with Bloodsport, Peacemaker soon discovers that his freedom comes at a price.