How many movies have Barrie M. Osborne and Dan Hennah collaborated on?

They have worked on 5 movies together! Their first movie together was The Lord of the Rings: The Fellowship of the Ring (2001) while their highest rated movie together was The Lord of the Rings: The Return of the King (2003). They have not worked together since The Warrior's Way (2010). They are most known for their fantasy films together.