After Susan sees Mr. Smith the substitute teacher peel off his face, she knows he's an alien and only Peter believes her; together they work to save the class from Mr. Smith's horrible plans.
Rod is surprised when a miniature spaceship lands in his school science project and reveals five tiny aliens, who ask his help in apprehending an interstellar criminal.
Peter, a typical seventh-grader, finds himself touring the planet with his friends Susan and Duncan, and with three aliens in disguise. Their mission is to file a report that will report the Earth's future in the universe.
When aliens come to Earth on an interplanetary trade mission, sixth-grader Tim makes friends with the ambassador's son and together they uncover a plot to sabotage the mission.
When aliens come to Earth on an interplanetary trade mission, sixth-grader Tim makes friends with the ambassador's son and together they uncover a plot to sabotage the mission.
When aliens come to Earth on an interplanetary trade mission, sixth-grader Tim makes friends with the ambassador's son and together they uncover a plot to sabotage the mission.