这一次爱心小熊们踏上了一段激动人心的新征程，充满欢乐、魔法和神秘，他们要探索爱心村一片从未有人涉足的领域：一线光明境。欢乐熊、活力熊、分享熊、易怒熊和好运熊担负起使命，要将幸福和谐带给住在一线光明境的飘飘们，他们体型娇小，活泼可爱，擅长种植神奇的爱心种子，为爱心村带来了一派新气象。一线光明境如此美丽神奇，就像奥兹国和仙境的结合体。那么赶紧跳上彩虹，和爱心小熊们一起施展魔法，尽情地享受欢乐吧！

Star Clan, previously the top clan on Blue Earth Planet, unexpectedly came into possession of the treasure "Star Map" which arouse the attention of the Lord of the Thousand Realms, who abducted and trapped the elders of the clan in "Holy Star Territory" in order to get the map. Elder Zhuge Haohan, young clan leader Chu Xinghe, and a few disciples were the only ones left in the clan so other clans bully them for their incapability. The Eagle Gang even overtook their territory. In order to regain their honor and rescue his father and the elders, Young Leader Chu Xinghe led the rest of the disciples through the Twelve Star Realms. They beat the Twelve Star Soul All-Mighty and eventually rescued everyone from the hands of the Lord of the Thousand Realms.

真夏一行人受邀前往雪之王国「香蒂娅」参加新任女王的加冕仪式，却在仪式中途遭到来路不明的怪物袭击，整个王国陷入冰冻。为了拯救冰封的王国，以及劳拉重要的朋友，他们将和Heart Catch光之美少女！的一行人一起，挺身而出！

积木王国里住着几个积木宝宝，它们是小木猪哼哼，小木马多多，小木狗汪汪，小木象嘟嘟和小木猫喵喵。

罗马少年自幼丧父，他和母亲相依为命。少年发誓，长大后要做一个令人尊敬的角斗士。少年以此为目标不懈努力着，在外出历练的途中，结识了马库斯王子，此时大坏蛋密谋篡位，王子陷入危机。他们能粉碎坏蛋的阴谋吗？