《快乐东西3》是一部动画情景喜剧 ，以描写中国老北京胡同中，一对孪生兄妹的家庭生活为题材，故事中的人物个性鲜明、生活气息浓郁、平易近人的情景喜剧风格轻松自然。影片在暴笑的同时，突出刻画中国人特有的亲情、友情与爱情观念，使人在放声大笑的同时，领悟出真正的生活内涵。
为了在职业戏《愈心》中更有表现，糊咖小爱豆杨艺心申请进入壹心工作室实习，从此惹上了壹心首席心理师霍凛，发生了一系列啼笑皆非的故事，而在实习将结束之际，《愈心》因资金问题陷入停滞。谁知此时天降金主相助，等等！这金主好像是我的顶头上司！
The green Verdies are the tiny, but brave guardians of the lakeside. The young Verdies only become guardians when their hair turns brown. Until then, however, life is boring. The youngsters with green hair are not allowed to fly on warblers, not allowed to row alone, and they're not allowed to ride wild frogs at the rodeo. Willy Whistle's big dream is to become a guardian, but his curiosity always gets him into trouble. However, the whole lake becomes at risk when the enemies of the lakeside, the Grimps and the swans, enter into alliance. The guardians are helpless, but Willy comes up with a daring plan in order to save his home and his trapped friend, Jeremiah Jump. Luckily he is not alone, because Grandpa, the water snakes and the frogs also come to his aid.
为了阻止原始兽得到行星盖亚上的神秘能源——阿古莫亚。巨无霸在白狮擎天柱的率领下，与威震天率领的机械军团展开了战斗。
