Last night on night three of "StePhest Colbchella '012 - Rocktaugustfest," Stephen Colbert interviewed Santigold in an aircraft aboard the U.S.S. Intrepid and left her completely perplexed with his distinction between the "gut mouth" and "face mouth." He clarified it for her, and, well, she sings from both. Plus: Thomas Haden Church has a pet deer on his ranch; and Sylvester Stallone impersonated his BFF Arnold Schwarzenegger. Watch our compilation to see what you missed.