Young-gu and Bulgasari, the Space Monster

Young-goo the son of mafia boss Don Carini, is too foolish to be part of the mafia elite. One day, Young-goo comes to his father and is trained by Tony V to be his father's successor. A few days later, Young-goo accidentally rescues Nancy, the only daughter of Don Bonfante, the boss of a rival mafia family. But Vinnie, an under-boss of the Bonfante family kidnapped her and fabricates that Young-goo has taken her. Vinnie's behavior provokes an armed conflict between the two families.

Ethan learns he carries the spirit of a warrior who battled dragons in 16th-century Korea -- and one day he'll find a tattooed girl carrying the spirit of that warrior's beloved. Years later, he meets Sarah and dragons soon descend on Los Angeles seeking out the two souls of the ancient lovers.

Young-gu hides in a cave during a game of hide-and-seek. There he finds a humongous dinosaur egg, which soon hatches. The baby dinosaur, Dinosaur Zzu Zzu, wanders around and is saved by Young-gu. They become fast friends. Running from the police and thieves who are after the dinosaur, the two friends hide in a cave but are soon found out and captured. At that time, Zzu Zzu's mom comes to Seoul to find her baby. Chaos and mayhem ensues and the army is sent out to stop the dinosaur. A tremendous battle between the Zzu Zzu's mom and the army takes place and although she rescues Zzu Zzu and Young-gu from the thieves, she is killed by air force's missile. Despite Young-gu's pleas to stop, the police shoot at Zzu Zzu. Zzu Zzu saves her own life by faking her death.

Young-gu dreams of a mysterious mummy and then meets Mira, a new classmate whose lunchtime disappearances coincide with students vanishing. He and his friends uncover a sinister trio, consisting of Mira the mummy, Dracula, and a hunchback, plotting to destroy graves and abduct villagers. When his mother is kidnapped and the villains trap everyone with their crystalline magic, Young-gu escapes, rallies his friends to fight, and at dawn’s sunlight the supernatural threat is finally banished.

Young-gu is cursed to be an ugly beast of a fool and given a chain of blue beads. He must marry a true love before the blue beads turn white, so that he can return to his original form...

Young-gu feels that he usually feels inflamed by the excessive protection of his parents and wants to live alone. One day, he goes on a trip with his parents. Young-gu, who accidentally lost his parents on a trip, finds his wallet and money in his father's luggage, wanders around by himself, living an uncontrolled life of his parents, but realizes that his parents' nagging was for him, and he goes to his parents' side.

Bumbling simpleton Young-gu is back, this time he enlists in the military and joins the special forces to take on an enemy robot.

A team of scientists working on a remote dig site find the buried body of an enormous monster, perfectly preserved even after 200 million years. As soon as the beast is uncovered, however, an alien spacecraft suddenly appears above them and brings the monster back to life! The creature immediately sets about levelling the surrounding urban landscape and shrugging off the best firepower the military can throw at it. A lone scientist, working on decrypting an ancient set of hieroglyphics, may be on the verge of finding the aliens' weak point, but will it be too late?

On the peaceful star of Andromeda, the reign of terror begins when the emperor of darkness, Lucas, takes over the planet. Lucas takes King Gaus hostage. Princess Shou Shou, Gaus' daughter and her protector, Sally the warrior, make a narrow escape to earth. Lucas sends his soldiers to capture the princess. At the same time, Young-gu and Yang-gu on earth are testing their new invention. The princess and Sally escape the soldiers and take refuge in Young-gu's house. The princess had escaped with a necklace that has the power to make the Power King with a good-hearted person. They try it on Yang-gu but it is Young-gu who turns into the Power King. Lucas sends Sanal, Lucifer and Monster to kill the Power King.