It’s 1964. British Beatlemania is in full swing. But this summer, the Fab Four are about to go global - and nothing can stand in their way. In Part 2 of Eras: The Beatles the band scales new heights as they enter the pop stratosphere on both sides of the Atlantic. From silver-screen adventures to the invention of Stadium Rock, the BBC Archive team have scoured their collection for the interviews that put you right at the heart of those manic months on the road - including an exclusive find that hasn’t been heard since it was first broadcast 60 years ago. Hear the story of the Fab Four’s rise, fall and rebirth - and how they changed the world along the way, as narrated by Martin Freeman.