Season 4

While in a Florida swamp, Tod and Linc meet Major Barben, an American World War II ace and Takasuka, a Japanese officer who are still fighting the war. Filming Location: Everglades and Cape Coral, Florida

Tod and Linc encounter Morgan Harper who is back to reopen an estate. Her psycho husband Eric is back to kill her. Filming Location: Poland Springs, Maine

In Maine, Tod and Linc work at a sawmill and board with a French Canadian one-armed former logger Poppa and his beautiful daughter Marie. Marie tries to be what ever a man wants her to be. Marie and Link are having a romance and Marie tells Tod "I'm going to hurt your friend". Sailor Jack arrives in town between ships and has a fling with Marie. Marie decides to leave home to "find herself" but Tod and Linc talk her out of it.

Tod and Linc work at a beauty contest with Celli who is an acoustical engineer. Filming Location: Minneapolis, Minnesota

Tod and Linc go fishing for lobsters with Thayer Faxon. Thayer's problem son Mamomsha returns to cause more trouble. Filming Location: Maine coast

Tod and Linc meet Mike Donato, an eccentric raspberry farmer. Filming Location: Minneapolis, Minnesota

Spinster Hazel comes to Colorado. She meets Ben Beldon, who was in the Army with Linc. Ben is now a miner amd a trouble-maker. Ben and Hazel get trapped in a mine. Filming Location: Central City, Colorado

Tod and Linc work for a Vermont farmer and get involved in a pulling horse race. Filming Location: Vermont

Tod and Linc meet Stephanie. Filming Location: Denver, Colorado.

Tod and Linc encounter five lady instrumentalists in Toronto. Filming Location: Toronto, Ontario, Canada

Tod and Linc meet physical culturist Greta. Filming Location: Mt. Snow, Vermont and Buffalo, New York (?)

Two children leave their little brother on a doorstep. Filming Location: Erie Canal

Tod and Linc witness a plane crash and a dying passenger asks Linc to deliver money to a child in Savannah. Filming Location: Savannah, Georgia

Tod and Linc work on a neon sign in a small Georgia town. Simon rips the sign down. Filming Location: Savannah, Georgia

Linc beats up a man (Cam) in a Georgia bar. The man was in Linc's unit in Vietnam and his cowardice in battle caused the death of a Vietnamese girl. Filming Location: Savannah, Georgia

Link stops Nola Nielsen from committing suicide and romances her. Her possessive brother Hamar dissaproves. Filming Location: Minneapolis, MN

Tod and Linc meet Tank, a boxer who likes rum, and Tank's girlfriend Gaybee. Filming Location: Unknown

Tod and Linc encounter a Daytona Florida librarian and a murderer. Filming Location: Daytona Beach, Florida

Tod and Linc meet Harlan Livingston III, a naive millionaire who is surrounded by women who are pretending to be hurt. Filming Location: St. Augustine, Florida

A disturbed teenager kills his friend. Filming Location: Unknown

Tod is vacationing by himself in Canada near Niagara Falls. He meets a professional assassin who looks exactly like him. Middle-Eastern plotters have hired the assassin to kill their king and he plans to do so with a high-powered sniper rifle. The assassin complains to Tod that his deprived childhood has caused him to become what he is. Filming Location: Niagara Falls, Ontario, Canada

In Florida, Tod and Linc meet the Tiffins, a family of con men and criminals who are squabbling over a will. Tod becomes involved romantically with family member Margo who stands to inherit the money if she marries. Tod is thrown off a bridge. Filming Location: Tampa, Florida

Believing that Tod has been killed, Linc and Margo set out to catch his murderer. Tod turns up alive and marries Margo. Linc leaves the Corvette with Tod. Filming Location: Tampa, Florida