Parliament-Funkadelic: One Nation Under a Groove

Parliament-Funkadelic: One Nation Under A Groove is a documentary broadcast in the USA on PBS in October 2005 as part of the Independent Lens series. The documentary chronicles the development of the Parliament-Funkadelic musical collective, led by the producer, writer and arranger George Clinton. Parliament-Funkadelic: One Nation Under A Groove was developed by Brazen Hussy Productions, based in New York City and led by director Yvonne Smith.

The documentary combines archival footage, contemporary interviews with P-Funk band members, and stylized animation. It follows the evolution of the band from the early days of doo-wop to its induction into the Rock and Roll Hall of Fame in 1997.

It is narrated by the comedian Eddie Griffin. It is notable for showing footage of P-Funk in 1969 from the WGBH series Say Brother (now called Basic Black).