Two-hour Christmas special and the series finale.

Romance blossoms but a betrayal of trust threatens the chance of lasting happiness. Thomas considers desperate measures.

The family face a shocking turn of events at Brooklands racetrack while Molesley and Daisy are put to the test.

Downton Abbey opens its doors to the public for charity, and tensions between Cora and Violet reach a dramatic climax.

Violet embroils the Minister of Health in the hospital row, but his visit ends in catastrophe. Mary's suspicions are aroused.

Anna and Mary face a crisis and a figure from the past surprises those above and below stairs.

An old acquaintance comes to Edith's aid, while Mr Carson and Mrs Hughes' big day brings an unexpected arrival.

What begins as a happy day out for the family and servants ends in panic and leaves Robert with a difficult decision to make.

Lady Mary's past catches up with her when an unwelcome visitor delivers an ultimatum, and news about the running of Downton Hospital puts Violet on the warpath.

Autumn of 1924. It's grouse shooting season and Rose's father-in-law invites the Crawley family to a shooting party in Northumberland.

Violet is shaken when Kuragin confesses that he loves her and wishes to remain with her rather than locate his missing wife. The family then goes to London for Rose's wedding where her sour...

Violet and Rosamund tell an angry Cora Edith's secret, which she promises to keep from Robert. Atticus brings his parents to stay, his mother being charming but his father less than happy ...

Violet has a new maid, Denker, who makes it clear to her what she regards as the limitations of her duties. She accompanies Violet to see Prince Kuragin with news of his wife's whereabouts ...

Tom breaks off his friendship with Sarah but, on learning that she is moving to another job in Preston and encouraged by Daisy, wishes her well and thanks her for reminding him who he is. ...

Violet and Isobel visit the soup kitchen Rose is running for the Russian refugees and Isobel is surprised when Violet confesses that Prince Kuragin once asked her to run away with him. ...

Mary wakes up in bed with Tony Gillingham after their tryst and returns to Downton, where she learns that a building firm want to buy land for a housing estate, to which Robert objects. ...

Plans for the war memorial do not go as smoothly as hoped. Rose tries to get a wireless at Downton, while Mary goes to Liverpool for her weekend with Lord Gillingham. Edith wants to get ...

The general Election of 1924 brings a Labour government into power, to the consternation of Robert and Carson, though many of the staff are pleased to have a prime minister from the working...

Summer of 1923. It's summer and as part of Rose's 'coming out' she is to be presented at Buckingham Palace. The Crawley family go to London to prepare Grantham House for this busy social program.

Charles leaves, Mary having appointed Tim Drewe as pig-man, but when Anthony Gillingham's projected visit to Downton is announced Mary detects from Anna's reaction that something is wrong ...

Robert is summoned to America to bail out his reprobate brother-in-law Harold but, after Mrs Hughes has given her the 'official' version of Anna's rape, Mary steps in to let John stay with ...

Robert is perturbed when Mary and Tom suggest intensive pig-farming on his land and Evelyn returns with his superior Charles Blake, to assess the viability of estates such as Downton. Blake...

Under pressure Mrs Hughes tells John what happened to Anna. Robert is sympathetic to Tim Drewe, whose father, an estate tenant, died owing huge debts, whilst Isobel persuades Violet to ...

As the guests leave, Anna keeps her rape by Green from John but is distant towards him and considering separate sleeping arrangements. Tom feels guilty after succumbing to Edna's advances ...

The Crawleys throw a weekend house party with guests including Terence Sampson and Anthony, Lord Gillingham. Tom is out of his depth making small talk but Edith is happy to welcome Michael ...

Mary receives a letter from Matthew's effects, naming her as his sole heir and therefore the owner of half the estate. Encouraged by Violet, she agrees to shadow Tom and learn more about ...

Six months later and Mary is still mourning Matthew, leaving the care of baby George to Nanny West. Tom tries to interest her in estate management, to little avail, but Violet eventually ...

September 1921. The Crawleys head to a Scottish hunting lodge, while the downstairs staff stays behind at Downton Abbey. New romances flare up, and a crisis unfolds.

Change arrives in a big way for several key characters at Downton Abbey. A yearly cricket match with the village sees old scores settled and new plots are hatched.

A vindictive Ms. O'Brien hatches a damaging plot. Edith make a major decision. Matthew has a major plan for changing things, and Tom's brother pays a visit.

Things go badly amiss at Downton Abbey. Robert and Cora are not speaking. The servants are shunning Matthew's mother, Isobel. And Matthew and Robert have fallen out. Bates takes a gamble.

The Crawley family faces its severest test yet. Meanwhile, new faces try to fit into the tight-knit circle of servants. New evidence turns up in a baffling case.

August 1920: Two social revolutions arrive at Downton Abbey: the Irish civil war and the fight for women's suffrage. A mysterious conspiracy keeps Anna and Bates apart.

The fate of Downton Abbey hinges on a letter from a dead man. Edith and Sir Anthony face their own fateful moment. Mrs. Hughes confronts a crisis.

A conflict between two members of the house staff escalates. Meanwhile, the family tries to impress Martha by planning a lavish dinner party.

Spring of 1920. Wedding guests descend on Downton Abbey, where disasters threaten. One of which is Cora's freewheeling American mother, who tries to loosen up her in-laws.

Christmas 1919. Downton Abbey is hosting a lavish Christmas party, yet despite being the season of goodwill, tensions are rife and Bates' arrest has cast a shadow over the festivities.

April 1919. As Downton Abbey prepares for Lavinia and Matthew's wedding, Sybil and Tom shock the family by announcing their intention to move to Dublin, where he has work, and marry. ...

With the house no longer a hospital Thomas hopes to make money on the black market but is ruined after being cheated by his supplier. Mrs Hughes helps Ethel to confront Mr and Mrs Bryant, ...

November 1918. Believing her marriage to have been a sham, Daisy is reluctant to accept a widow's pension whilst Robert writes to the father of Ethel's child, only to learn that he was ...

August 1918: Deserted by the baby's father, Ethel has been installed with her child in a cottage on the estate by a sympathetic Mrs. Hughes, who brings her food. Jane, a war widow, has ...

The simmering dispute between Isobel and Lady Cora comes to a head. When Isobel learns Cora has re-arranged the meal times for the servants and the work schedules for the nurses without ...

July 1917. As Isobel's plan to turn Downton into a hospital unites upstairs and downstairs in protest, O'Brien persuades Cora to make Thomas the hospital manager. Ethel enjoys the patients'...

April 1917. With John still absent, Isobel's butler Molesley makes a play for Anna but is rejected. Robert gets a new valet, shell-shocked ex-soldier Henry Lang, whilst William goes off to ...

November 1916. Matthew is fighting in the horrific Battle of the Somme but at Downton Robert, given a courtesy title as head of the local yeomanry but deemed too old to fight, and William, ...

July 1914. In London former suitor Evelyn Napier assures Lady Mary that it was Edith, not he, who spread gossip about her and Kemal. Mary counters by wrecking her sister's marriage plans ...

May 1914. Encouraged by politically aware chauffeur Tom Branson, the socially conscious Lady Sybil espouses politics as a means of aiding equality for women and the lower classes, to her ...

August 1913. O'Brien and Thomas continue to spread their malice, ensuring that Lady Edith learns from Daisy where Kemal died and attempting to frame John Bates for the theft of a snuff-box ...

May 1913. A fair comes to the village and here Mrs. Hughes meets up with an old flame, Joe, who once asked her to marry him and does so again. Despite being gay, Thomas escorts Daisy to the...

March 1913. Gwen, one of the maids, has bought a typewriter and has applied for a secretarial post. Most of the staff are dismissive of her aspirations but the family - except Violet, of ...

September 1912. Designated heir Matthew Crawley and his mother Isobel arrive and move into a house in the grounds of Downton Abbey but Matthew is uncomfortable with having servants and is ...

April 1912:- The heir to the title of Earl of Grantham, long time inhabitant of Downton Abbey, perishes on the 'Titanic'. Robert, the benevolent current earl, owes his wealth to his ...