The Desperate Desert Race (Part 1)
Speed, along with Trixie, Sparky, and the Mach 5 are on their way to Sandoland to compete in the Desert Race. Kim Jugger tells Speed that "he doesn't have a chance of winning." He orders the workmen to load his car, the Black Tiger, first. Spritle and Chim Chim disguise themselves and board the plane. After frightening the stewardess, they escape into the cargo area. A one-eyed man enters and the two youngsters see him plant a time bomb in Kim's racecar. Upon landing, the Black Tiger explodes. Kim accuses Speed of ordering his brother to sabotage his car. Speed denies the accusation and a fight ensues. At the hotel, Spritle tells Speed what happened in the airplane. Determined to prove his innocence, Speed and Trixie head out to Flathill Country, Kim's homeland. After surviving a sandstorm, the Mach 5 is surrounded by rebel soldiers. Unfortunately, the Mach 5 crashes when it autojacks over a sand dune.
Aired 04/11/1967EP 14 - The Desperate Desert Race (Part 1)

Speed Racer
The Mach 5 is one of the fastest and most technologically advanced race cars built by man. Equipped with various gadgets and a powerful engine, it provides a challenge for anyone who would dare race against it. The driver of this amazing vehicle is Gou Mifune, a teenager who dreams of breaking into the world of professional racing.
In spite of this, Gou's father and the creator of the Mach 5, Daisuke Mifune, does not want his son anywhere near a racetrack. Undeterred, his girlfriend Michi, younger brother Kurio, and Kurio's monkey sidekick Sanpei become Gou's biggest fans as he sets out to become the greatest racer of all time.
However, Gou soon learns that becoming a professional racer is not easy. From the underhanded plots of corrupt businessmen to stiff competition in the form of his rival, Racer X, Gou faces many obstacles on the road ahead, and has a lot to prove before he can cross the finish line.
(Source: MAL Rewrite)