海绵宝宝退化是哪一集

第十季11集。

生物都退化成原形，鲸鱼珍珍大战章鱼哥。一开始大家都在野外给珊迪庆祝生日。大家给他买了一个大大的生日蛋糕，正当准备开吃的时候，山迪发现远处的山坡上升起了一个绿色的光球，浑身都散发着诡异的绿色的光，正当他感到惊讶的时候，突然发生了一件奇怪的事情。

Season 10 episode 11.

Creatures are reduced to their original form, whale Zhenzhen vs. octopus. At first, everyone was out in the field celebrating Sandy's birthday. They bought him a big birthday cake, and just as he was about to eat it, Sandy noticed that a green ball of light was rising far away on the hillside. There was a strange green light all over him. Just when he was surprised, a strange thing suddenly happened.