The intrigue continues as suave spy Sterling Arhcer and his cohorts at ISIS battle espionage, a virus, and each other.
Archer deals with the trials and tribulations of being Pirate King while ISIS remains semi-committed to his rescue.
Malory calls on Archer and Lana to bail her out of a jam when a prominent Italian politician turns up dead in her apartment.
Archer and his fellow agents try to head off a disastrous mutiny aboard the orbiting space station Horizon.
Mutineers aboard the space station Horizon take the ISIS agents captive and plan to send them to Mars.
While his fellow agents search for a mole in their ranks, Archer hacks into ISIS computers to conceal discrepancies in his expense accounts.
Crockett's cousin Jack, the black sheep of the family, gets him mixed up in a scheme. Jack must repay a $50,000 debt.
When a reformed killer is released from prison, the ex-con captures Tubbs and three others and holds them hostage in his secret dungeon.
The Cell Within: Tubbs (Philip Michael Thomas) falls victim to an ex con's (John P. Ryan) warped views of crime and punishment. With Don Johnson and Edward James Olmos.
Rocky starts receiving thousands of dollars in the mail, and Jim immediately smells a rat. The cash is linked to a series of Las Vegas casino robberies, and Rocky ends up behind bars as the fall guy. Desperate, Jim turns to loan sharks for help.
Rockford enters the case after his father, Rocky, vacationing in Hawaii, receives huge sums of money in the mail at home, and suddenly both the mob and Federal agents are interested in his good fortune.
Archer and his colleagues at ISIS wish they had never voyaged to the final frontier in an effort to prevent a catastrophe on the International Space Station.
The half-hour, animated comedy that revolves around the International Secret Intelligence Service (ISIS) and the lives of its employees continues with Season 4. Although their work of espionage, reconnaissance missions, wiretapping and undercover surveillance is daunting and dangerous, every covert operation and global crisis is actually just another excuse for the ISIS staff to undermine, sabotage and betray each other for personal gain.