An old love interest comes to St. John looking for assistance with her aircraft charter service, and is asking him to help her smuggle illegal goods.
Airwolf's mission is to assist in the testing of a super-secret aircraft that's being developed by Jo's father, who can't get along with his daughter.
The Airwolf team wants to put a stop to a drug-smuggling ring led by St. John's former commander, who isn't the same man St. John used to admire.
A madman gets his hands on nuclear waste and claims he'll use the materials to destroy the planet, before breaking into Airwolf's secret lair.
The Airwolf team travels to an international air show to effect the escape of a double agent who has been working as a military pilot for a European Eastern block nation.
Jo hears that her former boyfriend died in a plane crash. To prove he's still alive, Jo and the team travel to Afghanistan, where trouble awaits.
St. John almost loses his life while test-flying an experimental airplane called Viper, then disappears after an auto mishap.
Capt. Herzfeld agrees to give information to the Americans. But while impersonating Herzfeld, Mike is kidnapped by terrorists who want training.
A radical group of pacifists have taken control of 20 nuclear missile silos, and the group's leaders demand that all nuclear weapons be disabled.
St. John tries to evade a hit man by hiding in the mountains. When an avalanche threatens a woman, St. John calls in Airwolf, revealing his location.
In a plot to restore his honor, a shamed former Japanese pilot kidnaps an unsuspecting St. John and orders him to destroy a nuclear power plant.
When St. John is suspended, his life spirals out of control. But this is part of a plan by St. John and Mike to find the mole within their ranks.
St. John discovers that a deadly virus has been created at Bar-Med Pharmaceuticals, and he's taken prisoner and infected with the toxic strain.
Locke and a Russian agent are assigned to observe the disposal of a nerve gas supply. But a rogue American colonel has his own game plan.
A clandestine plot to sell a missing attack helicopter is discovered by the Airwolf team while they attempt to aid an agent on leave after a week of traumatizing captivity.
While testing out new helicopter equipment, Jo crashes and disappears. St. John was flying right behind her, but he has no idea what happened to her.
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