Zoo Parade, a popular Sunday afternoon TV show on NBC from 1950-57 was hosted by Zoo director Marlin Perkins.
~ The show was actually shot at Chicago's Lincoln Park Zoo (I couldn't find a short video).
Marlin Perkins rose from temporary labor at the St. Louis Zoo to become zookeeper/TV safari guide on Zoo Parade and ultimately one of America’s best-known zoologists on the Emmy-awarded TV show Wild Kingdom from 1963-88.
Throughout his career, Perkins travelled through the world’s jungles, veldts and deserts to protect endangered species and enlighten TV viewers about animals that are feared or killed because of superstition.