After unveiling the new Tesla D, Elon Musk discusses his concerns about the growing threat of Handicar.
Butters' Dad joins the new fleet of Handicar drivers.
The Wacky Races continue as the first few cars battle to transport the passenger.
The Wacky Races get started, and Nathan reveals his plan to sabotage Handicar.
Nathan has some communication problems with his Mom.
Timmy's new transportation company takes South Park by storm.
The Cab Drivers try to send Timmy a 'message'... but it doesn't work.
Nathan challenges Timmy to a friendly race. Meanwhile, the news spreads about the return of Wacky Races.
The cab drivers assemble to discuss what to do about Handicar, while Nathan and Mimsy offer up a solution.
Counselor Steve goes over the fundraising totals for the Summer Camp Charity Drive.
We meet all the cars competing for the title of 'Future of Transportation'.
The townspeople panic to stockpile cereal. Meanwhile, the Handicar drivers all rally behind Timmy.
With the race nearly over, the final competitors battle to cross the finish line.
Nathan plots to take down Handicar from the inside, by sexually harassing customers.
The taxi driver finally gets a look at his competition Timmy.
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