A candid and introspective look at the extreme beliefs and motives of Ingrid Newkirk, the British-born co-founder and driving force behind People for the Ethical Treatment of Animals (PETA), the world's largest animal-rights organization.

Each week Bill Maher surrounds himself with a panel of guests which include politicians, actors, comedians, musicians and the like to discuss what's going on in the world.

Transcripts and videotape of traumatic head injury tests at the University of Pennsylvania. Following a PETA campaign, these experiments on baboons were halted. You can read more about this thrilling story in PETA President Ingrid Newkirk’s book “Free the Animals.”