Crusade in Jeans (2006)
Original title: Kruistocht in Spijkerbroek
Crusade in Jeans is a 2006 Dutch-language adventure movie directed by Ben Sombogaart, with a running time of 2h 5m. It stars Johnny Flynn, Stephanie Leonidas and Emily Watson.
Dolf a 15 year old boy is sent back in time by a timemachine. Accidentally he is sent back to the Middle Ages. He is rescued by children who are part of a childrens' crusade, on their way to rescue Jeruzalem. During the trip Dolf finds out the danger is not coming from outside the crusade, but from within.