6x1 - The Slick And The Dread

May 18, 1970

Stead is back in his haven, all's right with the world. But his quiet trip to the Caribbean on a Mogul supertanker produces unexpected developments.

6x2 - A Pig In A Pipe

May 25, 1970

Stead's visit to a Mogul refinery in Africa causes problems for Peter Thornton. The simple job of organizing a ceremonial event becomes highly dangerous when a sacked engineer threatens to blow up the refinery.

6x3 - Camelot On A Clear Day

June 1, 1970

A world famous leprosy hospital lies in the path of Mogul's exploration teams in East Africa. The ageing Dr. Hoffman who runs it is idolised by millions, including Willy Izard, who, with Thronton's help, has to cope with the problems involved.

6x4 - Who Did You Say Inherits The Earth?

June 8, 1970

6x5 - The Price Of A Bride

June 15, 1970

What is the price of a bride? When the government of the African state of Manzaya decide to throw out Mogul's manager three men are faced with this question: Ralph Grant, the manager with a South African wife, Jack Robbins, who lives up country with an African girl, and Peter Thornton himself.

6x6 - Operation Black Gold

June 22, 1970

What is it like to be captured by dangerous mercenaries in an African civil war? Willy Izard finds out when he replaces Thornton on a trip to Ebon. Mogul's frantic attempts to free him centre on Jane Webb, Stead's former secreatary.

6x7 - We All Need Experts

June 29, 1970

When management efficiency experts arrive, rumours of redundancy sweep Mogul's head office.

6x8 - I'm Glad I'm Just an Oilman...

July 6, 1970

In the desert water can be just as valuable as oil - and just as explosive, as Peter Thornton finds out to his cost.

6x9 - Boys And Girls Come Out To Play

July 13, 1970

The attempts of Stead, Thornton and Izard to pin down a multi-millionaire take them to a health farm, the Cannes Film Festival, a continental casino and a Scottish cattle sale.

6x10 - The Dangerous Green Impala

July 20, 1970

Haiti is notorious for its voodoo and its secret police. Stead becomes involved in a desperate and dangerous battle for control of Mogul's local company.

6x12 - That's Africa, Baby

August 3, 1970

Tribal quarrels, witch doctors, political double-dealing, a drunken hotel-keeper and a mysterious blow-back on a decrepit drilling rig - all hundreds of miles from nowhere in the African bush.

6x13 - They Shall Not Pass

August 10, 1970

6x14 - Let's See The Colour Of Your Money

August 17, 1970

6x15 - Hey We've Got A Problem Here

August 24, 1970

Mogul's experiments in shipping oil out of Alaska under the ice in giant submarine tankers have gone well. Now Izard, Stead and Thornton visit their submarine, not in Alaska but in the Caribbean. But even there things can go wrong, as Stead finds out on his first underwater dive.

6x16 - The Order Of The Good Time

August 31, 1970

Industry, pollution, overcrowding - Stead is feeling the pressures of them all when he gets to Nova Scotia. Here he finds the perfect site for Mogul's new refinery. But is it perfect? In the peace of a small country hotel, Stead finds time to think.

6x17 - Injury To The Nation

September 7, 1970

Stead, Thornton and Izard are on trial tonight. State secrets have been leaked to a foreign power, and the Ministry of defence investigator, Commander Frayne, says the leak must be from one of these three men.