Dr. Jonas Carson, a scientist, invents Chip, an android teenager. Dr. Carson sends Chip to school with his daughter Becky to see whether an android could interact with others. But his former employer decides to try and make a profit by stealing the mechanical boy.

In the final film of the series, Chip and his "father" attend a robotics convention. Here, Dr. Carson is kidnapped and replaced by an android. Can Chip and his newfound friends save Dr. Carson from a dangerous competitor?