Monster reactivated with gem stone protect from aliens

The Autobots continue to work for NEST, now no longer in secret. But after discovering a strange artifact during a mission in Chernobyl, it becomes apparent to Optimus Prime that the United States government has been less than forthright with them.

As humanity picks up the pieces after the battle of Chicago, a shadowy group reveals itself in an attempt to control the direction of history…while an ancient, powerful new menace sets Earth in its crosshairs. With help from Cade Yeager, Optimus Prime and the Autobots rise to meet their most fearsome challenge yet.

Sam Witwicky leaves the Autobots behind for a normal life. But when his mind is filled with cryptic symbols, the Decepticons target him and he is dragged back into the Transformers' war.

After a forced landing on Earth, the crew of a research ship from the planet Gailar decide to remain hibernating and wait to be rescued. Nuclear tests carried out by humans damage the system and some of the aliens awaken. Unable to return to their place of origin, the Gailarians decide to conquer Earth. Only a scientist can stop them, who has designed a ship capable of transforming into a gigantic robot.

In the near future it's discovered that the dinosaurs did not die off, but instead live on near the center of the Earth. The evil lord Tyrannus uses the mutated dinosaurs descendents to attack Earth in his effort to rule the world. Can Gemini Force, a group of four superpowered teens who've pledged to protect the Earth, stop his plans? Written by Mike Konczewski 70 millions years ago, the creatures known as dinosaurs mysteriously disappeared from planet Earth. Until now, it was assumed they were extinct. In reality, they had burrowed deep into the Earth and evolved into supermonsters. In the year 2000, the people from planet Earth were amazed and terrified by the greatest catastrophe ever known to mankind: the re-appearance of the dinosaurs. Under the direction of their emperor, Tyrannus, the creatures now seek to destroy mankind.

Ro-Man, an alien robot who greatly resembles a gorilla in a diving helmet, is sent to earth to destroy all human life. Ro-Man falls in love with one of the last six remaining humans, and struggles to understand how his programming can instruct him to kill her while his heart demands that he can't.

Space miners sent to stop a moon's collision course with the earth discover a hibernating creature that soon revives and starts slaughtering the mining crew.

At the turn of the century, all of the Earth's monsters have been rounded up and kept safely on Monsterland. Chaos erupts when a race of she-aliens known as the Kilaaks unleash the monsters across the world.