While out for an evening walk, Maddie, Triggs and Dad meet a little bat who's lost! As Brigid tells them all about how she uses sound to get around, Maddie and Triggs make some bat noises of their own as they take flight and help Brigid find her way back home. 

When Triggs's chewy ball gets lost, Maddie and Triggs discover a whole world run by the Dust Bunnies - the tiny creatures who keep all the stuff that ends up under the couch! Can Maddie and Triggs convince them that they are caring and responsible enough to get their ball back?