Join the characters of Nick Jr.'s most popular shows -- including "Dora the Explorer," "Blue's Clues," "Wonder Pets" and "Go, Diego, Go!" -- as they embark on a fun-filled day of athletic escapades and healthy competition. Highlights include "Baseball Boots," wherein Dora and Boots take the baseball diamond by storm, and "Rainforest Race," which centers on Diego's effort to help a competitive yet disadvantaged armadillo win the big race.