Highlander - Season 5 (1996)

Duncan encounters Johnny K, who he last knew as a small-time hood during Prohibition. Since Johnny is now a professional assassin, he decides Duncan must die before he can identify Johnny. Meanwhile, Joe is flabbergasted when an old girlfriend appears in his bar and is apparently interested in rekindling the old flame.

Carolyn Marsh is a romance author whose latest book features the exploits of a hero named Duncan MacLeod and a villain named Terence Coventry, the name of another Immortal who Duncan knows -- and who Carolyn knows well. As Carolyn puts the moves on Duncan and tries to convince him to help promote the book, she gets into a catfight with Amanda. Meanwhile, Terence is furious at Carolyn for portraying him as a villain.

When Amanda disappears into a van after a robbery, Richie thinks she has been kidnapped and goes after her. He finds her with Cory Raines, an old acquaintance of Duncan's and Amanda's who has always brought them trouble. Unfortunately for everyone involved, the money that Cory stole belongs to a mobster, and he wants his money back. In flashback to 1926, Amanda leaves Duncan and their circus act to join Cory on a bank-robbing spree.

In flashback to 1880s San Francisco, Duncan's Immortal friend Alec mourns the murder of his young wife Genevieve by Kragen, but is convinced her spirit is still around. In modern day, Alec has been killed by Kragen, but his mortal widow Jennifer is convinced that Alec's spirit can't leave until Duncan keeps his promise to kill Kragen.

Immortal Larca is killing young people who will turn Immortal, then making them believe he is God and has raised them from the dead to defeat his enemy Satan, aka Duncan.

An Immortal "Messenger" of pacifism, who pretends to be Methos to give his message weight, preaches peace between Immortals. Richie becomes his latest convert and tries to convince Duncan to stop taking heads as well -- right when Duncan encounters William Everett Culbraith, the Immortal former commander of Andersonville prison, where Duncan suffered part of the Civil War and lost a good friend. The "Messenger" also tries to convert disillusioned Culbraith, whose bloodlust is unquenchable due to a personal tragic loss he himself suffered during the war. Has the "...

In flashback, Duncan and Immortal Ingrid tackle the Nazis in 1935 Germany. In modern day, Ingrid has assassinated a Russian politician and Duncan wants to stop her from killing her next target, an American white-power advocate.

In flashback to 1867 Texas, Duncan is part of a posse after Immortal Koren and his gang of raiders. In modern day, Duncan's friend Immortal Cassandra is also after Koren, but she tells Duncan he is also Kronos, one of the Four Horsemen who brought terror and death to mankind through the ages. Meanwhile, Cassandra reveals Methos was also one of the Horsemen, which shocks Duncan into ending their friendship.

Sequel to 'Comes a Horseman.' Methos leads Kronos to the remaining two horsemen, and the four of them plan to destroy humanity via a water-borne virus.

Richie, posing as an American millionaire, winds up kidnapped by a charming French girl who needs 2,000,000 francs to save the family chateau.

In 1971, Otavio Consone killed Anna's fiancé and the father of her unborn child. In modern day, Consone is pursuing Anna's grown daughter, and Duncan is suspicious of Consone's motives.

In flashback, Hugh Fitzcairn tricks Duncan into helping steal the crown jewels; in modern day, Duncan tricks Amanda into helping to steal the Stone of Scone so he can return it to Scotland.

The bloody Scottish attempt to put Bonnie Prince Charlie on the English throne in 1746 brings Immortal Steven Keane to seek revenge on Duncan in modern-day Paris.

Duncan visits Lord Byron and the Shelleys, inspiring Mary Shelley to write 'Frankenstein.'

An archaeologist whose research predicts the imminent release of a thousand-year evil also predicts the champion who can defeat it: Duncan MacLeod.