Episode Title:
The Return, Part 1.
Episode Description:
Speed Racer Sr. finally returns and reunites with his sons, however, X is angry with him. The Mach 6 is stolen by Zile and the Racer family works together to retrieve it and get Zile arrested. After getting back the Mach 6, Conor discovers a mysterious energy signal coming from the Mach 6, forcing the gang to investigate.
