The Best Episodes Directed By Ciarán Donnelly

Bill Harley and brothers Walter and Arthur Davidson found a motorcycle company in a shed behind the Davidson's home. But competition is fierce, and Walter has to put their fledgling business on the map by risking his life in racing competitions to beat the industry powerhouse, Indian Motorcycles. The rivalry between the two companies escalates with deadly consequences.

Ragnar and Ivar plot against the Saxons and reach a new level of understanding.

The Great Depression ravages America and cripples the motorcycle industry. With their company on the brink of ruin, Walter, Arthur, and Bill flout conventional wisdom by embarking on their most ambitious and expensive design yet.

A new series of strikes prompted by the unions has the team worried. And when news of a 'strike' by the army arise, Tom is sent undercover to investigate. Meanwhile Zoe takes charge back at the Grid, and is tasked with moving spent uranium cells across the country after rail strikes prevent it taking it's usual route. Will it get to Dover on time? Or will it fall into the wrong hands?

A French scientist has gone renegade and taken a top secret weapon called Firestorm with him, which he is threatening to sell to the highest bidder. Now he has ended up in the UK, and MI5 is forced to work with French Intelligence. But the British want the technology. They have to steal the technology without the French finding out, using an agent that if caught has no affiliation to Five. But there is a burglary at Harry's flat which puts the operation in jeopardy. Or does it?

Bjorn's fleet sails onward and launches a surprise attack. Back in Kattegat, Lagertha continues in her quest for power.

Finale - Henry’s thoughts turn to his own mortality with the news that his long-time friend and sometimes foe King Francis, and his unshakable soldier Charles Brandon, are each dying. As he faces death, Henry encounters the ghosts of his former wives who each get a chance to confront him. Hans Holbein paints a last, iconic portrait of the Tudor King.

The battle begins between Ragnar and King Horik's forces against Jarl Borg; Princess Aslaug makes her way to Kattegat.

The uproar over the king's break with the Catholic Church turns into a full-blown rebellion that comes to be known as "The Pilgrimage of Grace." Immobilized by an old jousting injury, Henry sends Charles Brandon to deal with the uprising and focuses his attention on the Lady Ursula Misseldon.

Unmarried once more Henry reflects on his dynasty and orders a new Act of Parliament which restores the succession rights of his two daughters, the Princesses Elizabeth and Mary. His roving eye undaunted by age or experience, he notices the attractive soon-to-be widow Catherine Parr. After the disastrous mismatch of his last marriage a mature woman is just what he needs.

Olaf lands in a terrible position after Forkbeard invades Kattegat. In hiding, Freydis and Harald must decide whether to fight for the throne or flee.

Freydis finds a new home. Harald formulates a daring new plan to take back Norway, but Leif's not on board. A new threat appears in London.

Henry VIII’s health is on the slide: the recent siege of Boulogne has taken its toll on his aging body and his ulcerous leg is constantly in pain. Bishop Gardiner and the Catholic Church are once again in the ascendant at court but, tired of conflict, Henry demonstrates little enthusiasm for the ambitious Bishop’s accusation that Catherine Parr is a heretic.

The time has come for an unlikely alliance to band together for a new raid on England; a storm pushes the Viking fleet to a new destination; Ragnar and his men may have met their match.

When Alice discovers that her father is in Wonderland, they begin healing their broken relationship, which leads to her having to make a difficult decision. In flashback, a young Jafar is emotionally distraught after his mother dies and we find out what drove him to become the unforgiving villain he is today.

Ragnar, weak and still hurt, must meet the Earl head-on after it comes to light that Rollo has been tortured on Haraldson’s orders. The two men will come together face to face with a single outcome possible: Only one man will leave this fight alive.

The leaders of the Pilgrimage of Grace uprising are put to death, but Brandon is disturbed by the cruelty and mercilessness of the suppression; Henry celebrates the birth of a son but his joy is short-lived as Queen Jane dies within days.

Rejuvenated by his tour of the north of England, Henry feels a new man and longs after his new Queen; unaware that her affections are diverted elsewhere. Katherine’s past begins to catch up as an old liaison comes looking for a job threatening to reveal all about their sexual history. Someone beats him to it when an anonymous letter is sent to the King containing accusations of adultery. Although unconvinced of the rumor, Henry confines Katherine to her apartments pending a thorough investigation.

A seer reads Earl Haraldson's future and tells him that Ragnar searches for his death.

A dangerously ill Ragnar returns to Kattegat, where his suspected death kicks off a scramble to succeed him. Meanwhile, Lagertha engages in a power struggle with her calculating, former second in command, Kalf. Rollo betrays his heritage and remains in Frankia. Floki pays the price for his brutality against the Christian priest.

Cardinal Wolsey's fall is quick and pitiless. Stripped of office and authority, he is banished from the court and sent far from his much-beloved King. His unlikely successor is Sir Thomas More, a man unlike the overbearing Wolsey in every way but one...his loyalty to Henry.

When a German businessman is found dead in the sea just off the coast Gently and Bacchus get involved to find the killer and Bacchus, while having money problems, is put in a dilemma when offered a bribe by a suspect.

When a badly-burned body discovered near an RAF base is suspected to be an IRA murder, Special Branch get involved.

Floki learns of the heavy price he has paid for his actions. Rollo finds an unlikely ally in Count Odo. Bjorn has to fight a fierce opponent in the wilderness.

Ragnar and his crew sail out with Earl Haraldson's permission.