Alex (also known as HA-9, a crime-fighting teenage robot boy created by Dr. Blackman to be Earth’s protector) makes his first contact with the outside world, meeting Jeff Randell and Sumo Sumouski for the first time. While Sumo immediately accepts Alex as a new friend, Jeff does not quite see him as anything other than a "evil robot cyborg".
Jeff, while practicing baseball, hits a ball that flies through a window in neighbor Dr. Susan Blackman's front door. His brother Sumo instructs him to get the baseball back, but when Jeff knocks at the door, nobody arrives. He wanders inside, seeing various pieces of machinery and robot parts strewn about. When he reaches the baseball, it is handed to him by a shadowy, imposing figure, later revealed to be HA-9. Jeff flees in terror without taking the ball, where he is intercepted by Sumo and informs Jeff that he encountered a "hideous bloodthirsty robot". Ms. Blackman overhears this conversation, and Sumo tries to explain the situation, but Blackman slams the door in his face, so he leaves, only to notice the robot while arguing with his brother.
Dr. Blackman walks back into her house berates HA-9, who prefers to be called "Alex", for having left his room and instructs him that he must not encounter any of the human population, especially teenagers. She instructs Alex that there is a meteor warning, but Alex disregards it because most meteors typically burn up in the atmosphere. When Dr. Blackman leaves the room, Sumo climbs in through Alex's window and meets him. The two leave and hang out, playing hackey sack and chasing ice cream trucks, among other things, while Jeff reluctantly tags along, still suspicious and nervous about Alex. However, while they were playing, the hackey sack which Alex booted through the atmosphere became part of the meteor, rendering it a “planet destroyer” class.
Alex rockets off to destroy the meteor as soon as he gets the warning, and dispatches it quickly. As he returns to Earth, he and Sumo realize in shock that Alex had accidentally taken Jeff along with her, as he had been inadvertently attached to his wings. While Jeff is a bit charred from re-entry, he is impressed by Alex's abilities and declares him to be "so cool!", now no longer afraid of her.
Dr. Blackman oversees this, and decides that giving HA-9 some time off couldn't hurt. However, the camera pans out to outer space, where several (presumably hostile) spaceships are closing in on Earth...
- Jeff Randell
- Sumo Sumouski
- Alex Blackman/HA-9
- Dr. Blackman
Jeff: R-R-ROBOT!!! There's a robot inside! A hideous, bloodthirsty robot!
Alex: If this D-class dingus destroys the Earth, Mom'll dismantle me!
- Sumo is the first character to appear in this episode. Jeff is the first character to speak in this episode, and in the series as well.
- One of the disassembled robots in Mrs. Blackman's house looks suspiciously like Larry 3000 from Time Squad.
- There is a poster of a boy band in Alex's room that resembles former boy band N*SYNC, titled SYNC'N.
- The title is a reference to an often used sci-fi title "It Came From...", which may have begun with the film It Came from Outer Space.
- On the wall of monitors of various different cities, Beijing is listed as Peking. Peking is the pronunciation according to an earlier form of romanization of Chinese; the adaptation occurred in 1949. It is possible this is an intentional anachronism.
- At one point in the episode, Jeff refers to Alex as a "robot cyborg." While this may have been for comedic effect, or possibly to underline Tuck's initial fear and suspicion of Alex, cyborgs are not the same things as robots. The term "cyborg" is short for "cybernetic organism." In order for Alex to be a cyborg, he would need to be at least partially organic.