阳光明媚的日子里，青青草原上灰太狼（张琳 配音）和喜羊羊（祖丽晴 配音）他们围绕被抓获的懒羊羊（梁颖 配音）又你来我往展开斗智斗勇的对决。正在关键时刻，狼堡发生剧烈震动，接着莫名其妙便被传送到了人类世界某个游乐场内。为了保护灰太郎一家的安全，村长利用看看机将它们变成人类的模样。陌生的人类世界让他们既觉新奇又感慌乱，也由此闹出无数的笑话。可是他们发现一个严重的问题，宝贝儿子小灰灰似乎和他们走失了。另一方面，图谋将狼堡弄来人类世界的邪恶商人皮总正在酝酿一系列充满野心的罪恶计划。

灰太狼一家和懒羊羊最终能否重返家园呢？

On a sunny day, Wolffy and Weslie on the green grassland, they start a battle of wits and courage around the captured Lazy Goat. At the critical moment, the Wolf Castle shakes violently, and is then inexplicably transported to an amusement park in the human world. In order to protect Ashitaka's family, the village headman uses a machine to transform them into humans. The unfamiliar human world makes them feel both strange and panicked, and they make countless jokes as a result. However, they discover a serious problem: their precious son, Ash, seems to be lost with them. On the other hand, Mr. Pi, an evil businessman who is planning to bring Wolf Castle to the human world, is brewing a series of evil plans full of ambition.