A scientist attempts to build a robot companion but becomes jealous of its abilities. The machine can even read his mind and when the scientist thinks of dismantling the device, the robot falls apart in despair. The man realizes that he must look for friends among people.; A physicist wants his youth back so he can use his knowledge to lord it over people and drinks a youth serum that regresses him to infancy.; An office employee gets a Jinn who helps him achieve material success, but then he becomes unpopular around the office. When the Jinn disappears, things go back to the way they were before.; A landlord replaces a tenant's door with a door that continues to open of its own volition, so the man nails it shut for the night. When a fire breaks out, the door still opens itself, despite the nails. After the fire has been dealt with the tenant is surprised to see the words 'Fire Exit' printed underneath the paint the fire had scoured away.; A man down on his luck is helped out by a 'dog' who is actually an angel.