Fifty years after Monty Python and the Holy Grail redefined comedy, stars Michael Palin and Terry Gilliam look back on the freedoms – and limitations – that shaped the film. An independent British comedy made on a shoestring by a television sketch troupe? It sounds like a film destined to be forgotten within weeks of leaving cinemas – assuming it reaches cinemas in the first place. But Monty Python and the Holy Grail is still revered as one of the greatest ever big-screen comedies, 50 years on from its release in April 1975. Terry Gilliam, who co-directed the film with...