Harry finds his family being threatened after he agrees to guard a visiting president in London.

Harry is stalked on a train by Shadbolt, a professional assassin.

Harry Rule is called upon to see if Eartha Kitt's (guest star)home is haunted.

A friend of Harry's insists on doing a dangerous skydiving trick despite the fact that gold smugglers are trying to kill him.

Harry is hired to protect a disturbed Vietnam war veteran.

A wealthy recluse hires the Protectors to break his brother out of prison.

The Protectors devise an elaborate con to recover a priceless antique which a woman had been conned out of.

Harry and the Contessa are the victims of a car crash that was engineered to get information out of them.

A kidnapped Paul will be blown to bits unless Harry and the Contessa help steal jewels which they have been hired to safeguard.

Harry's college friend Zeke, a pianist, is blackmailed into setting Harry up by mobsters.

The Protectors aid a movie director in the retrieval of film being held for ransom.

The West German government hires the Protectors to put a pension fund that is supporting fugitive Nazi's out of business.

The KGB hires the Protectors to capture a renegade Russian scientist who plans on destroying London with a new virus to show the world how dangerous biological warfare can be.

A revolutionary group steals and auctions off a priceless art collection in order to purchase dynamite to fund their cause.

In Salzburg, the Protectors must rescue a group of vacationers whom are unknowingly being held hostage on top of an Austrian mountain.

In order to protect the daughter of a rich industrialist who has received threats against her life, Harry poses as her tutor.

Knowing where a huge stash of heroin is hidden, Harry confronts the drug dealers.

The daughter of a gangster whom Harry helped put in prison fails twice in her efforts to kill Harry.

The Protectors end up in trouble in the Roman tombs.

The Protectors are called to deliver the ransom for the kidnapped daughter of a Danish aristocrat.

The Protectors go after industrial spies who are threatening to topple a chemical company by scooping their best products.

In Salzburg, the Protectors must rescue a group of vacationers whom are unknowingly being held hostage on top of an Austrian mountain.

The Contessa ends up putting her life in danger when she agrees to help an old friend win a wager by making him disappear.

While investigating a plot to overthrow the government of a Mediterranean nation the Protectors end up confronting two old friends of the Contessa, one with whom she was romantically involved.

The Protectors only hope of putting a drug smuggling ring out of business lies in being able to decode a coded letter.