在蒸汽驱动的冒险中，河船比尔勇往直前，探索未知的河流与奇妙故事。美杜莎h

　　Riverboat Bill, a young boy named Dave, and a fire-breathing Bunyip have adventures up and down the Murray River aboard their salvaged steamboat in early 20th century Australia, facing outlaws and unsympathetic lawmen along the way.