Arthur and Bedevere are in an old man's hut; he's a hermit who apparently has knowledge of the Grail's location but only tells them of some very dangerous sounding places before disappearing along with his hut.
Arthur and company move through a foggy forest but are slowly surrounded by the sonorously deadly Knights Who Say Ni
"Ni" is hardly bearable for the poor knights but they are able to withstand it long enough to learn that the knights demand a shrubbery in order to pass.
And not just any shrubbery, one that looks nice. Wherever will they find one?