Planet 51 Taglines

1.

On Planet 51

The aliens come from Earth

 

2.

Aliens have just invaded

And they call themselves humans

 

3.

The most frightening aliens have just invaded.

They’re called humans

 

4.

Extraterrestrial life has just been confirmed.

And they call themselves humans

 

5.

The humans are coming!

 

6.

One planet’s inhabitants

Are another planet’s invaders

 

7.

Close encounters

Of the human kind

 

8.

Invasion

Of the Homosapien