The Brave Bunnies meet a determined hippo named Oli, who dreams of becoming an astronaut! Bop and Boo want to be astronauts too, and take Oli's astronaut training course.

On their first visit to the Fox family home, Bop and Boo share an adventure spun by their friend, Franny. Bop joins Franny's rowdy brothers playing, and learns that they're really nice!