Bakusou Kyoudai Let's & Go!! is an anime adaptation of Tetsuhiro Koshita's manga. The first two seasons are centered around the Go brothers and the TRF Victorys. In contrast, Bakusou Kyoudai Let's & Go!! MAX, the third season, explores two new main characters while also emphasizing the racing theme. The protagonists of the show are Retsu and Go Seiba, two brothers who receive "Mini 4WD" racing cars from Dr. Tsuchia. As the series progresses, the duo trains and customizes their vehicles to compete in the highly competitive Japans Cup. They challenge some of the country's top drivers, with the ultimate goal of being crowned the champion.