The Black Widow, a woman Jack and Dani once put in jail, returns for revenge.
Jack and Dani take an ocean cruise to recover charity funds from terrorists planning to spend the cash on guns; guest George Lazenby.
Jack and Dani learn three thieves who stole $13 million five years earlier are operating a Paris restaurant; guest Ray Girardin.
Someone is trying to kill Dani's friend, the contestant most likely to win the title of Miss Globe.
Jack and Dani reunite a caustic American comedian (Jack Carter) with his Czechoslovakian daughter.
Jack and Dani investigate suicides of three Americans who were guests at a Mexican health spa.
A model devises a plan to stop Jack and Dani from protecting an American scientist whose son is imprisoned in Istanbul.
A schoolteacher (Jan Smithers) discovers a briefcase containing an assassin's payoff money.
An attempt on a model's (Tracy Reed) life initiates a search for a computer disc with valuable oil-drilling data.
Dani and Jack match wits with a spy planning to steal a microchip for the Soviets.
Dani and Jack's search for a woman last seen in the French Riviera leads to a white-slavery ring.
Jack's former drill instructor (Jim Brown), now a government agent, disappears while investigating drug smugglers.
A murder at Dani's Malibu home makes government agents and mobsters believe the house hides a fortune in diamonds.
Henry asks Dani to team with agent Jack Striker (Antony Hamilton) to locate a missing author (Efrem Zimbalist Jr.).
Mac and Dani devise a scheme to prove the corrupt boss of a Florida resort community framed a schoolteacher for embezzlement.
Mac and Dani must rescue an elderly couple (Noah Beery, Jeanette Nolan) whose plan for revenge on a band of diamond smugglers backfires.
Mac is accused of his girlfriend's murder, leading Dani to ask Henry to clear him without revealing his undercover identity.
A young American summons Mac and Dani to South America where police are framing her for her lover's murder; guest Henry Darrow.
Dani reluctantly rehires a former model (Shelley Smith), only to discover the woman has resumed contact with her ex-husband, a mobster.
Dani and Mac comb Italy for a grieving father (Hoyt Axton) seeking revenge on his daughter's suspected killer (Tristan Rogers).
Photographer Danielle Reynolds (Jennifer O'Neill) hires military veteran Mac Harper (Jon-Erik Hexum) to pose as her model as she goes under cover to bring the killers of her special-agent husband to justice; guests Louis Jourdan, Mary Crosby, Doug McC.