Synopsis by Hal Erickson
At Space City, Blake (Gareth Thomas) must negotiate with the criminal organization Terra Nostra in order to destroy the Federation. Mob leader Largo (Derek Smith) doesn't take a shine to Blake, and as a result the crew is imprisoned. Back on the Liberator, Cally issues a threat to Largo, stating that she will destroy Space City if her comrades are not immediately released. Things become more complicated when the supercomputer Orac is subjected to a hostile takeover by an unknown power. "Shadow" was first broadcast on January 16, 1979.