check this link out. it not only has that script but also "The Life of Brian" and "The Meaning of Life".

http://www.mwscomp.com/movies/grail/grail.htm

Im at a site in Oregon and I am waiting on their tech to arrive so I am just browsing the net and I had fun while I was there. Got the whole laboratory there laughing with the quotes. For some reason I can do english accents particularly well.