Ep 3. Victory of the Daleks

In "Victory of the Daleks," the third episode of season 5 of Doctor Who, the eleventh Doctor (played by Matt Smith) and his new companion Amy Pond (Karen Gillan) arrive in England during World War II, where they meet Winston Churchill (Ian McNeice). They soon discover that Churchill has secretly been working on a technological device called "The Ironside," which he believes will aid in the war effort against the Germans.

However, the Doctor and Amy soon realize that the device is actually a trap created by their deadliest enemies, the Daleks, who have disguised themselves as helpful "Ironside" robots. The Daleks are using the facade to lure the Doctor into activating a device known as the "Progenitor," which will enable them to build a new race of Daleks and conquer the universe once again.

As the Doctor and Amy race to stop the Daleks before it's too late, they encounter new allies, including a brash young pilot named Bracewell (Edmund Kente), and must navigate a series of twists and turns before ultimately facing off against the Daleks in a final showdown.

With its gripping storyline, intense action sequences, and familiar characters from history, "Victory of the Daleks" is a thrilling installment in the Doctor Who canon, and is sure to delight fans of the series.