Supersonic is a documentary about the British rock band Oasis that details their rise to fame in the 1990s through interviews and archival footage. It explores their formative years, the height of their success, and themes like music, family, concerts, fame, drug abuse, and emotions. While focused mostly on a closed period leading up to a iconic concert, it also leaves some of their story open-ended as the full reasons for their breakup remain untold.