Orphaned Speed arrives at the racing academy, where he makes new friends and rivals, rebuilds the Mach 5, and learns he is the long lost son of the legendary Speed Racer.

Part 2 of 3. The Mach 5 is rebuilt after the parts are located in a junkyard, but Speed wrecks it racing X in an after-school grudge match.

Conclusion. Speed learns Speed Racer is his father, and finds plans for the Mach 6, but lacks the parts to build it.

Speed takes advice from X on how to deal with the fame of being Speed Racer's son from his classmates. A crazy stalker student named Mitch spreads a rumor that Speed will have a rivalry race with his brother, X, which spirals into a real race. When Annalise sees X not taking this seriously, she stands up and sabotages Speed's car so X can win.

Speed and X must work together as a team in order to win a multi-school racing tournament. Meanwhile, Zile plans to ruin Speed and X's teamwork during the tournament and destroy the Mach 6.

Speed gradually receives mysterious notes signed by his father, but he suspects that they could be false. When he receives another letter asking for Speed to come meet him, Speed goes to figure out who the imposter is. Meanwhile, Zile plans to have his birthday party. At the end of the episode, Speed receives a real note from his father.