Aliens use large nut cracker to get brains

A fleet of Martian spacecraft surrounds the world's major cities and all of humanity waits to see if the extraterrestrial visitors have, as they claim, "come in peace." U.S. President James Dale receives assurance from science professor Donald Kessler that the Martians' mission is a friendly one. But when a peaceful exchange ends in the total annihilation of the U.S. Congress, military men call for a full-scale nuclear retaliation.

A rock like alien lands on Earth looking for sustenance. What does it eat? Intelligence! One touch of the rock and it sucks the smarts, if you have any, right out of you. Dr. Belinda Garland studies the alien rock to harness its power. However the evil Amazing Jacques and his co-hort, The Spiderwoman, plan to use the rock's brain sucking power to rule the world.

A huge, alien structure resembling an inverted cone, appears in the woods outside a small rural town. Sent from Washington to investigate the origin of the mysterious object, a team of investigators discovers that intelligent parasites from inside the "cone" can attach themselves to humans' nervous systems and control their minds, taking control of the authorities and workers, making communication with the outside world impossible, and leaving the responsibility of stopping the invasion up to seven people who have thus far been able to avoid possession by these creatures from parts unknown.

A team from the intergalactic fast food chain Crumb's Crunchy Delights descends on Earth, planning to make human flesh the newest taste sensation. After they wipe out the New Zealand town Kaihoro, the country’s Astro-Investigation and Defense Service (AIaDS) is called in to deal with the problem. Things are complicated due to Giles, an aid worker who comes to Kaihoro the same day to collect change from the residents. He is captured by the aliens, and AIaDS stages a rescue mission that quickly becomes an all-out assault on the aliens’ headquarters.

When the notorious intergalactic lizard TNT unleashes his latest doomsday device known as the Mind Your Manners Serum, creatures all across the cosmos lose their sense of humor. Enter those high-flying heroes of outer space, Squeak and Commander Hamsanders, to save the day. When trouble's brewing among the stars, who's gonna come to the rescues? Alien Busters, of course.

Invading aliens are taking over the brains of folks in a small town. The head leech is a wad of black tinfoil with a couple of white thumbtacks for eyes. Others are spidery-like rubber things pulled along by strings.

During its return to the earth, commercial spaceship Nostromo intercepts a distress signal from a distant planet. When a three-member team of the crew discovers a chamber containing thousands of eggs on the planet, a creature inside one of the eggs attacks an explorer. The entire crew is unaware of the impending nightmare set to descend upon them when the alien parasite planted inside its unfortunate host is birthed.

Alien biologists arrive on earth to study humans. They shoot them with tranquilizer darts, weigh them, measure them, and put radio tracking collars on them. Then they shave their heads and paint them green and release them. This is the story of their study. Space aliens, hippies, cavemen, space rodents, and a ninja…. THIS MOVIE GOT EVERYTHANG.

When an alien prison ship crash lands and unleashes creature after creature in the California desert, they make quick work of the army that tries to stop them. Now, the only hope of stopping the aliens rests with a secret branch of the government specializing in alien weaponry. But with the team untested in actual combat, the battle for Earth will be brutal.