The fantastic adventures are just beginning when Carl, a retired helium-balloon salesman, attaches thousands of colorful balloons to his house and takes off for a South American jungle. Everything goes according to plan until Carl discovers that an enthusiastic young Wilderness Explorer named Russell has stowed away for the ride. Soon Carl is dealing with all sorts of trouble, including dangerous dogs, a crazy adventurer, and even a mysterious creature…
　　这是一个奇妙的探险故事。一退休的氦气球售卖员卡尔把成千上万只彩色气球系到自家的房子上，出发前往南美洲的丛林。一切都在按计划顺利进行，但是，热情、年轻的探险家小罗的出现打乱了他的计划。很快，问题层出不穷，他们遇到了危险的狗，疯狂的探险家，甚至还有一只神秘的动物……