Stream Rhabarber Boy Online Free – Watch Full Movie from Home at 123Movies. . The film installation Rhabarber Boy (rhubarb boy) is setting a fantasy-world in relation to the archaic nature of a child, and raises the question about the moral responsibility of virtual creatures and content. The film describes the life of a wild boy, living in a forest without the influences of civilization. He is keeping an old comic-collage in his cottage and is trying to understand the colorful and figurative images of this icon.