The actor has hinted at the possibility of a final outing as Ellen Ripley after reiterating her view that the Alien story is unresolved Although the second half of the Alien ”quadrilogy” is remembered with mixed feelings by fans of the Ridley Scott and James Cameron movies, it seems the story may not quite be over. Speaking this week while promoting the forthcoming Alien: Isolation video game, Sigourney Weaver admitted for the second time in two months that she thinks there is life in the old xenomorph yet. “I definitely feel the story is unresolved, we never really finished it,” she said.