They defined music and popular culture like no other band ever will - but how did The Beatles make the journey from Merseyside teenagers to international pop stars in the 1960s? Made on Merseyside - The Beatles discovers how American rock 'n' roll and rhythm and blues dragged post-war Liverpool into one of the most vibrant music cities ever with the Mersey Sound. Featuring revealing interviews from those involved in the early years of The Beatles in Liverpool and Hamburg and unique archive, the incredible story of The Beatles' previous band formations and why it took so long for them to achieve success makes riveting viewing. From school bands, to colleges; Hamburg to The Cavern Club, The Beatles changed the world of pop music forever, but was Pete Best's sacking from the band and Ringo's replacement the final part of the jigsaw?