While Oso tries fixing the air brakes on his special agent train, he gets a special assignment to help a boy named Quin make a birthday hat. It is up to Oso to help him make the hat so he can get a picture of himself wearing it.
While Oso tries fixing the air brakes on his special agent train, he gets a special assignment to help a boy named Quin make a birthday hat. It is up to Oso to help him make the hat so he can get a picture of himself wearing it.
