the mother ship of the tallest disappeared years ago and shattered into pieces when it entered the Florpus. Zim had to fall into the customes of the world he was cursed to live on. he was the last of his kind, nothing left. but at least he wasn't trapped in a tube. not that the government doesn't know about him by now...
Dib and Zim had always been enemies. But when the two get in a bad fight and Zim fails his science class, the principal assigns Dib to tutor Zim until his grades improve. As time goes on, the two notice new feelings for each other. But their sudden feelings will be challenged when Zim is told the truth about his missi...
(After Enter The Florpus) Zim no longer has any reason to take over Earth. The tallest won't answer his calls, and he knows that they are not coming to Earth. Since he's stuck here, he decides to spend his time with Dib. But, they start to become a little more than friends.