The film generally received positive reviews, particularly from fans of the original show:
Once in Japan, the group faces a "fish-out-of-water" culture clash. The Japanese label attempts to rebrand them as a polished boy band called the "Bang Boys," complete with synchronized dancing and matching outfits—a sharp contrast to their "street" garage roots. This creates tension between the group members, especially between Grindah, who is hungry for fame, and Beats, who wants to stay "keep it real". The film picks up after the Kurupt FM
The film picks up after the Kurupt FM crew has largely moved on from their pirate radio days in Brentford. MC Grindah is working as a postman, and DJ Beats is at a bowling alley. Their luck changes when their track, "Heart Monitor Riddem," becomes a hit on a Japanese game show. Their self-styled manager, Chabuddy G, arranges an all-expenses-paid trip to Tokyo to meet record executives. Their self-styled manager