In this episode, Carlos Sainz takes a nostalgic trip back to his roots by participating in pre-season karting sessions. He's joined by his friends and fellow F1 drivers, including Roberto Merhi, Daniil Kvyat, Félix Porteiro, and Roman Rusinov. They enjoy a fun and competitive day on the track, reminiscing about their early days in karting and the intense training required for Formula 1.