Elliot, Boog and all of the beloved woodland creatures are back in a brand new comedy adventure.

　　負責維護布拉達郡內治安的警長，聽聞自己的轄區出現了某種前所未見的神祕生物，牠螫伏在人煙稀少的農地，卻不時有人目睹牠詭異面目的訊息傳來。警長起初不以為意，情況卻逐漸越演越烈…。當地一對夫婦的憑空蒸發，似乎和這生物脫不了關係，而警長的孩子們，也對這神祕生物產生了興趣。焦頭爛額的警長，不得不趕在自己的孩子落入未知生物的口中前，搶先對付那力量不明的可怖敵人…。

讲述埃利奥特和他们所有的森林朋友一个全新的冒险，Boog他决定自己旅行，一个酷似马戏团的灰熊，接管他的位置。 布格的朋友准备把他从俄国旅行马戏团带回家。一连串有趣的事情。

Kevin, a charismatic skater, decides to steal the plan of a dangerous gang to rob seven million dollars from the airport and give his girlfriend Génesis, the life she deserves. The rest of the team consists of Pantera, Mística and Panda, who join this adventure.

California gold rush, late 1800's: A gun slinging bounty hunter (Mortimer) travels deep into the mountains to find a deadly Apache warrior (Brother Wolf) who is wanted by the law. Along the way he passes through a gold mining Town. The miners help direct Mortimer to the Apache and send him on his way. Mortimer enters the forest and begins to track the Apache. Back in town, the miners un-earth an ancient meteor. They use their pick axes to crack it open. A section of the meteor splits apart and spores explode out of it. The spore surround and infect the entire population of the mining camp. They are transformed into ravenous mutants. After a vicious battle against the Apache warrior, Mortimer exits the forest with his prisoner in shackles. They hike back to the mining town to find them selves surrounded by a horde of blood thirsty mutants. Now Mortimer the gun slinger and Brother Wolf the Warrior must join together to survive the mutant hordes. What ensues is a bloodbath of horror for the Dead and the Damned.