The Iron Terror Part 1.The crew returns to the present to find that Speed Sr. and Trixie are happily married, and that their anniversary party is the next day. Speed and X find Speed Sr. a gift while Lucy helps them find Trixie a gift, since they never really knew their true mom. The party soon turns into trouble when Speed Sr.'s brother, Rex Racer (Racer X) comes into the party. Speed Sr. and Trixie order him to leave, knowing he has some troubles, but he tell them that a factory is going to be blown up. Speed and X decide to visit him, who he then tells them about the enemies' plan. X becomes cautious and think that he and Speed should leave. Rex goes to the factory alone where half-robot-half-car roborgs are preparing to blow the plant up...