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.

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.

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 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.

In Venice, Harry aids Lena, a journalist, expose a corrupt politician.

Harry masquerades as a drunk in order to get a Canadian heiress out of a cult.

The Protectors are hired to smuggle into Britain a Russian scientist who wishes to marry her childhood sweetheart.

Alone in Italy, the Contessa goes to Venice to find out why the son of a wealthy Brit is making huge withdrawals from his account.

In Spain, an English boy is framed and arrested on drug charges after a drug dealer plants some hash in his backpack.

The Protectors are hired to discretely research stolen secret Swiss bank account information.

The Contessa is used to lure her former lover, a British spy, out into the open.

In Denmark, a young woman and her father call on the Protectors to deliver a huge ransom for a stolen jewelry shipment.

An old friend who has a new lead on an insurance scam calls Harry and the Contessa to Venice, but he is murdered just before they arrive.

The Protectors are hired by a Hungarian actress wanting to bury her now deceased revolutionary father in their homeland.

The Protectors are called upon when the father of a man on trial for murdering a policeman goes after the judge.

Harry travels to Spain in order to track down a bounty hunter named Quin.

The Protectors chase after a stolen platinum shipment.

In Britain, Harry is called on to protect a Russian author from publishing his anti-socialist book.