Runaround

Runaround is a science fiction short story by Isaac Asimov, featuring his recurring characters Powell and Donovan. It was written in October 1941 and first published in the March 1942 issue of Astounding Science Fiction. It appears in the collections I, Robot (1950), The Complete Robot (1982), and Robot Visions (1990). Runaround is notable for featuring the first explicit appearance of the Three Laws of Robotics, which had previously only been implied in Asimov’s robot stories.