He co-directed Monty Python and the Holy Grail and directed short segments of other Python films (for instance "The Crimson Permanent Assurance", the short film that appears before The Meaning of Life).
A co-regizat Monty Python and The Holy Grail și unele secvențe scurte din alte filme ale Pitonilor (de exemplu „The Crimson Permanent Assurance”, filmul scurt care apare înainte de The Meaning of Life).