Dave LaMattina and Chad N. Walker's documentary I Am Big Bird profiles the master puppeteer Caroll Spinney who, though not a recognizable famous, is beloved by million for bringing both Big Bird and Oscar the Grouch to life on Sesame Street. The filmmakers detail his colorful life, and explore his run on the iconic children's program that began with the very first episode in 1969 and continued into the second decade of the 21st century.