Another spy goes undercover.
另一只间谍在伪装中
One with a camera in its shell.
壳中带有一个相机
It's arrived at the perfect moment.
它抵达的时机非常完美
The crabs line up in order of size.
螃蟹们按大小顺序排好队
They don't all need grand accommodation.
并不是所有螃蟹都需要宽大的房子
They just need the next size up.
它们只需要比自己大一点的壳就行
First, they must find their correct place in the queue.
首先 它们得找到自己的队伍中的正确位置
They wait until everyone is assembled.
它们会等到所有螃蟹都集合完毕
Then the house swap begins.
然后就开始交换房子了
The largest leaves his old home and moves into the vacant shell next door.
最大的螃蟹蜕掉旧房 转移到隔壁的新壳里
Then the next size down takes over the shell he left behind, and so it goes on in order of size.
然后第二大的螃蟹接过它空出来的壳 它们就按照大小这么进行着
Most are content with their new home, although one seems to have house envy.
多数螃蟹对它们的新房子都比较满意 不过有一只好像眼红了
He's eyeing up our spy.
它盯上了间谍螃蟹
He just needs to check the shell for size.
它还要核对一下壳的尺寸
It meets his requirements so he doesn't waste time.
跟它的体型很符合 于是它争分夺秒
But this home comes with responsibilities.
但这个家可是要承担责任的
Ones that involve filming, too.
还需要负责拍摄
But our new spy seems to be having second thoughts.
但我们的新间谍又重新考虑了一下
His old shell was a better fit after all.
它的旧壳还是更好一些
He'll keep it for a little longer.
还是再用一段时间吧
Our spy is now the only crab left homeless.
现在只有我们的间谍还无家可归了