Moviezaix on Instagram: "My Stepmother Is an Alien (1988): Overview A quirky sci-fi comedy directed by Richard Benjamin. After a young widower unintentionally disrupts his planet's gravity, hyper-advanced aliens send Celeste (Kim Basinger) to Earth. Disguised as a stunning woman, she must woo astrophysicist Steve Mills (Dan Aykroyd) to avert intergalactic disaster-only to fall in love and clash with his skeptical daughter, Jessie (Alyson Hannigan)."