Elmo loves his fuzzy, blue blanket, and would never let anything happen to it. However, a tug-of-war with his friend Zoe sends his blanket to a faraway land, and Elmo in hot pursuit. Facing life without his cherished blanket, Elmo musters all of his determination and courage and heads off on an action-packed rescue mission that plunges him into Grouchland, a place full of grouchy creatures, stinky garbage and the villainous Huxley. Along the way, Elmo learns an important lesson about sharing, realizing that he was selfish with his friend and responsible for what happened. 在这个世界艾莫最喜欢的还是他那块蓝绒毛毯，他甚至发誓永不离开它。直到有一天，艾莫的好友佐伊看到他的毛毯，非常喜欢，向他讨要。艾莫当然一口回绝，谁知这时杀出个坐飞毯而来的凯莉一把从他们手中抢走毛毯飞向芝麻街。艾莫在大鸟的指引下在奥斯卡的垃圾箱中找到了挂在钉子上的毛毯，当他伸手去拽时，一股居大的引力将他吸到了另一个奇妙的世界……
