Throughline is a time machine. Each episode, we travel beyond the headlines to answer the question, "How did we get here?" We use sound and stories to bring history to life and put you into the middle ...

Sally and Nick are pretending to be birds, because it's fun to fly! But not all birds can fly, says the Cat. His friend Os the ostrich can't fly, but he can do oh so many other things! Off to Savannah ...