A teenager aspires to be the world's best race-car champion with the help of his friends, family and his father's high-tech race-car, the Mach 5.
EPISODE 1
The Great Plan, Pt. 1
Go Mifune, a young and upcoming driver, drives a white-body super racing car named Mach 5; Speed enters his first race to win money for his family, against his father, Pops Racer.
EPISODE 2
The Great Plan, Pt. 2
Go enters the Sword Mountain Race behind his father's back; Ace and his gang attack the Mach 5, aiming to steal the blueprints of Pops Racer's new engine.
EPISODE 3
Challenge of the Masked Racer, Pt. 1
A masked racer, whose identity is in mystery, and whose face is concealed, came to Japan; he was a top racer but was also rumoured to cause car crashes whenever he races.
EPISODE 4
Challenge of the Masked Racer, Pt. 2
After being injured in a rain-marred race, Speed is mistaken for The Masked Racer by gunmen from a rival team.
EPISODE 5
The Secret Engine, Pt. 1
Go tries to help a kind old man find his stolen car; it turns out that the man is the son of a once infamous gang boss, and the classic car he drives has a map to a stash of treasure.
EPISODE 6
The Secret Engine, Pt. 2
Go and the old man are captured by Blaggard, the boss of a gang; Speed fights back against the thugs and discovers where the treasure is hidden and offers Blaggard a deal.
Jack Grimes
Peter Fernandez
Jack Curtis
Corrine Orr
Tatsuo Yoshida
Jinzô Toriumi