At some point early in his career, Higgins was on a fact-finding mission just outside of Moscow in the dead of winter. A Russian infantryman returning from the front was informed that his wife and child had died from starvation. Higgins watched as the man beat his fist into a brick wall until every bone in his hand was crushed!

- Laura (7.18)

In Persia, he was midwife to a young Kurdistani peasant girl who spoke no English. He had to render her unconscious.

- The Big Blow (3.22)

He was in Salzburg "back in...", but he breaks off without detail.

- The Legacy of Garwood Huddle (5.4)

In Albania, he was imprisoned in a zipper factory with Bertie Farnbush and his maiden sister, and used her hairpin to escape.

- The Return of Luther Gillis (4.16)

In the Congo with a peacekeeping force. He interrogated Major Horling, a cold-blooded killer who worked with Morgan Lyden. Lyden would later kidnap Jonathan (along with T.C.) in 1982. Magnum and Rick successfully rescue them.

- Past Tense (3.5)

Served in the Sudan and was surrounded by 300 furious Sudanese when Binky Sliberton accidentally walked into a hut of one of the local witch doctors.

- Past Tense (3.5)

In Northern Ireland, he was with MI6, attached to General Cornwall, the strategist. At the Queen's Birthday Ball, Bannister, a male operative who used drag, showed up in the same gown as Lady Ashley and caused a big scandal.

- The Jororo Kill (2.13)

He was accidentally shot by a Belgian while on a White Rhino hunting safari in Kenya. The Belgian, Francois Forney, carried him on his back for four days to reach medical treatment at a base camp.

- Under World (5.5)

Spent 28 days of unrelenting misery in a Kanji tiger cage!

- Emerald's Are Not a Girl's Best Friend (Simon & Simon crossover episode)

Was once stranded on an island off the northern coast of Africa, wounded and unconscious for a week. When he awoke, he rescued himself by turning an airplane fuselage into an outrigger canoe and sailing to safety.

- Operation: Silent Night (4.10)

In Africa, his unit was once surrounded by cannibals for 39 days before surrendering. Faced with being boiled alive, the commanding officer, Major Tewksbury, challenged the Cannibal King to a duel to the death with the soldiers' freedom as the prize. Although Tewksbury was of royal blood himself, he was no match for the King... he never knew what hit him.

- Jororo Farewell (4.11)

Attempted to swim across the English Channel. He almost made it, but had to give up because of a nosebleed.

- Home From the Sea (4.1)

In Northern India (with Alex Clutterbuck) looking for a lost Heathen Temple. The stone temple was said to be over 1,000 years old, and housed a statue of a Tibetan monkey and a sacred cow "engaged in a most obscene act".

- Two Birds of a Feather (3.20)

In the Fiji islands, he watched an old man successfully troll the sea with just one long strain of "monkey vine".

- Autumn Warrior (7.13)

While in the Gulf of Martaban, Higgins and his comrades pulled a Lt. Crosley out of the ocean. When they removed his diving helmet, he began "babbling on about the beautiful women he'd seen living in the sea". Sirens was the term he used. He said he saw an entire city of them, including a caravan of elephants!

- Rapture (6.11)

Studied the Kudu buck, a woodland antelope found throughout eastern and southern Africa, carefully and upclose during a trip to the Zambezi river, somewhere in the African plain.

- Dead Man's Channel (2.2)

Higgins was at Lizard Island (off the coast of Australia) when a young Kanaka (Polynesian) boy fell down a river embankment, straight into the mouth of a waiting crocodile! After killing the croc with a single well-placed shot, Higgins improvised a poultice for the boy's wounded leg consisting of a mix of local herbs and river-bed clay, which effected a miracle cure.

- Straight and Narrow (7.4)

In a time and place unspecified, Higgins made the mistake of cooking fish for his host, Abdul ben Bashi. Bashi, raised in the desert, didn't recognize the fish and thought Higgins had cooked his pet iguanas. He ordered Higgins to be stripped and staked out in the sun to bake until dead. In the face of this punishment, Higgins had the wit to request wryly that in deference to the modesty of Bashi's wives, he not be stripped.

- Autumn Warrior (7.13)

A soldier under his care, Private Channing, spent five days in a coma. Ten minutes after all hope was given up and a priest sent for, Channing opened his eyes and started asking for a pint of stout (location unknown).

- Limbo (7.22)

Trampled by a herd of wild South American capybaras. "It was in Peru, perhaps Bolivia."

- No More Mr. Nice Guy (4.13)

Had the frustration of writer's block syndrome. He sat for days searching for just the right superlatives to describe one Major Reginald "Humpy" Weddington. "Humpy" had overcome great adversity in his quest to become an officer. He was very short, very rotund, and he had lost his left ear in a freak rugby accident.

- Kiss of the Sabre (5.11)