In 1986, director James Cameron did the near impossible: He unleashed a sequel that trumps a nearly untrump-able original — thanks in no small part to Sigourney Weaver’s reprisal of the role of the universe’s most righteous heroine, Ellen Ripley. 

On “Alien Day” — 4.26.16 — we’re celebrating thirty pulse-pounding years of the explosive action sci-fi masterpiece with a Xeno-marvelous Aliens event featuring a screening of the film plus a special appearance by Sigourney Weaver herself. 

Buckle in for Cameron’s acid-dripping, chest-bursting, guns-a-blazing thrill ride, where Ripley and a crew of marines return to LV-426 and discover the now colonized planet has a very lethal pest infestation...