Louis C.K. presents the award for best documentary short at the Oscars on Sunday, Feb. 28, 2016, at the Dolby Theatre in Los Angeles. (Photo by Chris Pizzello/Invision/AP Stock Photo - Alamy

Louis C.K. presents the award for best documentary short at the Oscars on Sunday, Feb. 28, 2016, at the Dolby Theatre in Los Angeles. (Photo by Chris Pizzello/Invision/AP Stock Photo - Alamy

Louis C.K. presents the award for best documentary short at the Oscars on Sunday, Feb. 28, 2016, at the Dolby Theatre in Los Angeles. (Photo by Chris Pizzello/Invision/AP Stock Photo - Alamy

Louis C.K. presents the award for best documentary short at the Oscars on Sunday, Feb. 28, 2016, at the Dolby Theatre in Los Angeles. (Photo by Chris Pizzello/Invision/AP Stock Photo - Alamy

Oscars 2016: Highlights, best moments from the Academy Awards show

Louis C.K. presents the award for best documentary short subject at the Oscars on Sunday, Feb. 28, 2016, at the Dolby Theatre in Los Angeles. (Photo by Chris Pizzello/Invision/AP Stock Photo

Louis C.K. presents the award for best documentary short subject at the Oscars on Sunday, Feb. 28, 2016, at the Dolby Theatre in Los Angeles. (Photo by Chris Pizzello/Invision/AP Stock Photo

Louis C.K. presents the award for best documentary short film at the Oscars on Sunday, Feb. 28, 2016, at the Dolby Theatre in Los Angeles. (Photo by Chris Pizzello/Invision/AP Stock Photo

Louis C.K. presents the award for best documentary short at the Oscars on Sunday, Feb. 28, 2016, at the Dolby Theatre in Los Angeles. (Photo by Chris Pizzello/Invision/AP Stock Photo - Alamy