The episode is divided into several thematic segments that track the band's evolution:
The episode tracks how the core members met, starting with John Lennon and Paul McCartney at the Woolton Garden Fête in 1957, followed by the addition of George Harrison. [S1E1] July '40 to March '63
It begins with the members' births in war-torn Liverpool and explores their early family lives. The episode is divided into several thematic segments
The narrative covers the replacement of drummer Pete Best with Ringo Starr and their first professional recording sessions at Abbey Road Studios. It details their grueling residency in Hamburg, Germany,
It details their grueling residency in Hamburg, Germany, which refined their live performance skills, and their eventual return to Liverpool to play at the Cavern Club.
The group discusses the impact of post-war American Rock 'n' Roll and R&B on their youth, specifically the influence of artists like Elvis Presley and Little Richard.