After a horrible losing streak, Todd and Riley Daring decide to replace their old baseball coach with a new one that just happens to be a professional baseball player.
Riley, who's a part of a group called the Happy Hornets, takes part in the beef jerky sale, even though they lose every year to their rivals the Sassy Sunflowers. Riley replaces their strict scout leader with a con man who helps them sell jerky by lying about the stuff it can do.
Riley is trying to impress Johnny Hitswell at the school dance. To do so, she replaces the one-cut hair-cutter with a stylist that will give her a complete makeover.
After not being able to skate in anywhere in Pleasant Hills besides a little skate center, Todd decides to replace the mayor with a professional skater so he can skate wherever he wants.
Riley begs her parents for a horse. When Dick buys Riley a mule named Prince Cinnamon Boots, she replaces the mule with Thunderbolt, the horse from her favorite movie.
Riley replaces the strict cheerleading coach with a hippie after failing to make the team. Soon, the majority of the school joins the squad. Meanwhile, Sierra quits and joins a sci-fi fan club.
Everyone at school blindly follows the newest trendsetter, Heather Hartley. Riley decides to replace the trendsetter with someone unstylish and unhip: herself.
In order to fight Donny Rottweiler, Todd signs up for a karate class. Then he replaces the meek karate teacher with Agent K’s martial arts trainer, Master Pho.
Todd and Jacobo win tickets to a football game, where Carson Palmer (voicing himself) will throw a record-breaking touchdown pass. Jacobo gets a big ego after he obtains Carson's football, and his friendship with Todd nearly gets ruined.
After Johnny asks Riley out on a date, Todd's parents force him to replace the wait staff with authentic French waiters; when they fail to show up, the Darings are forced to become the waiters.
Riley is in charge while her parents are out, and she takes control of the TV. Todd falls asleep during Riley's sappy princess movie. He has a medieval-themed dream where Riley is an evil princess.
Todd and Riley try to cure Agent K's stage fright before the student-parent talent show. When that doesn't work, Todd resorts to replacing his mother with a professional magician's assistant.
When C.A.R. gets a job at the prestigious Royal Spy Academy in London, Todd and Riley enroll at the Spy Academy to coax C.A.R. back home. They unwittingly become involved in a plot to steal the world's spy secrets.
