In the summer of 2020, while the world was in the throes of a pandemic, a "little miracle" happened at the Smithsonian's National Zoo. Xiao Qi Ji became the latest in an American dynasty of giant pandas, born through the marvel of modern science. But this is more than a national triumph. It's one of many successes in the remarkable fifty-year partnership between China and the United States. See how this international team of scientists have learned how to breed in captivity, eradicate diseases, restore habitats, and ultimately save a species.