How many movies have Charles Knode and John Foster collaborated on?

They have worked on 2 movies together! Their first movie together was Monty Python and the Holy Grail (1975) and was their highest rated movie together. They have not worked together since Life of Brian (1979).

Life of Brian (1979)

Crew
Costume Design
Crew
Sound
Role
Passer-by (uncredited)

Monty Python and the Holy Grail (1975)

Role
Camp Guard / Robin's Minstrel (uncredited)
Crew
Sound