Lifeless, violent dud recycles many better sci-fi comedies.
Smart sci-fi thriller can be intense, terrifying.
Intense, astonishing sci-fi thriller has real soul.
Action-packed Star Trek sequel has good story, characters.
Riddick returns in violent sequel with more sex content.
Dazzling but heavy-handed sci-fi has violence, language.
Stylized sci-fi entertains; expect deaths, sexy stuff.
Lots of kisses, but "Twi"-fi thriller isn't that compelling.
Sci-fi romance has great visuals but poor storytelling.
Subtle but dull alien invasion movie has scares, edgy stuff.
Terrifyingly realistic dinos run amok in sci-fi landmark.
Bizarre, unsettling, futuristic satire about advertising.
Smart, exciting sci-fi tale has violence, sex, and drugs.
Remake is better looking, less violent, less thoughtful.
Third alien adventure is fun, less memorable than the first.
A classic that parents and kids can enjoy together.
New Alien movie has strong themes, violence.
Teens get super powers in relatable but violent thriller.
Alien invasion flick has lots of violence but little blood.
Ultraviolent Japanese cult movie came before Hunger Games.
Sci-fi thriller has violence, sexuality, language.
Fake moon-landing chiller is no Blair Witch in space.
Occasionally violent origin story is surprisingly good.
Teens save town in action-heavy sci-fi film with retro feel.
British sci-fi action movie is clever but gory, druggy.