 After Johner kissed Vriess for getting them safely through Earths   atmosphere, there is an alternate ending with the Betty landing on Earth.   Call warns Ripley for the military that will come looking for her soon. She   says someone can get pretty lost on Earth, and asks Ripley what to do.   Ripley replies that she doesnt know, since she is a stranger there herself.   The camera then goes up, to reveal a post