伯尼回来了，孩子们都很高兴。但他们的宿敌温斯顿也一样，他行将绑架这只天才海豚。凯文和霍莉必需在为时已晚之前救出他们那泼辣的同伙。 The kids are thrilled that Bernie has come back. But so has their ol…