Amos and Theodore, the two bumbling outlaw wannabes from The Apple Dumpling Gang, are back and trying to make it on their own. This time, the crazy duo gets involved in an army supply theft case -- and, of course, gets in lots of comic trouble along the way!

As the Great Day of the Flyers nears, the Great Valley's flying youngsters are eager to participate in the annual exhibition to show off their skills. Everyone, that is, except free-spirited pterodactyl Petrie, whose individualism causes problems when it comes to staying in formation. Enter his dinosaur pals Littlefoot, Cera, Spike and Ducky, who encourage Petrie to embrace his uniqueness.

新眼睛队长穿越回过去，用他的大脑谷物喂恐龙，使它们变得聪明和非暴力。为了满足纽约孩子们的愿望，他们同意去“中未来”。他们要去见自然历史博物馆的布利布博士，但却被他们的新孩子朋友岔开了，遇到了船长的邪恶兄弟螺丝眼教授。

年轻的法克斯坦博士神推鬼撞下来到祖父的城堡，无意中发现了一本祖父的记事簿，在驼背人伊哥与性感野性的伊加帮助下，加上偷回来的脑，根据祖父的科学实验资料，成功制造了一具怪物–科学怪人。可惜，偷回来的脑出了岔子，导致科学怪人极渴望被爱，它离家出走，在郊外遇上小女孩与一名瞎子……影史上数一数二爆笑到极点的电影！请务必先看过1931年的《科学怪人》及1935年的《科学怪人的新娘》电影版本再来看本片，因为本片所有镜头、对白、桥段、造型等，皆和旧版作了对比，却大大颠覆成搞笑版本！

Ensemble cast of off-the-wall Warner Brothers characters, appearing in a wide variety of roles. Wakko, Yakko, and Dot Warner, are WB Studio creations who were just too "zany" to be of any use to the studio. Pinky and the Brain are two mice bent on world domination. Rita and Runt are a cat and dog team, who get into perilous situations every episode, put always seem to find time to sing a song. Bobby, Pesto, and Squit are the Goodfeathers, part of a New York mob of pigeons, who worship Martin Scorsese. Slappy the Squirrel is a late middle-age squirrel; she starred in a series of popular cartoons in the Golden Age. Buttons is a watch-dog, charged with watching the mischievous toddler, Mindy. Chicken Boo is a giant chicken trying to integrate into human society. Flavio and Marita are two urbane hippopotami.