“Grail is as funny as a movie can get, but it is also a tough-minded picture — as outraged about the human propensity for violence as it is outrageous in its attack on that propensity.” – Richard Schickel, TIME Magazine
“A marvelously particular kind of lunatic endeavor.” – Vincent Canby, New York Times
“Silly, sophomoric, and slapped together — but would you want it any other way?” – Dave Kehr, Chicago Reader