Casualty - Season 31

Feature-length episode of the medical drama. As Charlie celebrates his thirtieth anniversary, the department is thrown into chaos, and the team face their biggest challenge yet.

Elle attempts to rally the troops, and Alicia discovers an uncomfortable truth.

Jac Naylor comes down to the Emergency Department to perform an emergency operation and Iain finds his injuries affecting his work. Lily suspects he's not well and persuades him to be re-examined. She helps him see that he doesn't have to be Mr Action Man all the time, and a strange friendship is born between them.

Robyn is wracking her brain to think of something special to do for Glen. But he surprises her by saying that the thing that would make him most happy is to do all the things that make her happy. She decides to take some time off work and they consider going to Euro Disney. Meanwhile David tries to make contact with his son.

Ethan and Alicia are thrown together in a rescue operation, while Louise is on a mission to improve the relatives' room.

Charlie's high school sweetheart stands in the way of Duffy, whilst David is forced to reveal some inner truths.

Ethan struggles to make Alicia's birthday a day to remember, and Lily deals with a family feud too close to home.

Robyn's plans are thwarted when Glen takes a turn for the worse, and Dylan's clinical skills are put to the test.

Elle questions Connie's focus, while Robyn's plans for the future take an unexpected turn.

Robyn faces a difficult decision, while Ethan passes up the chance of happiness for the sake of his brother.

Dervla goes missing, and Dylan is distraught. Could the new F1 have something to do with it?

Dylan is still wary of his new mentee, Sebastian, but when Seb's father Mr. Grayling comes downstairs as a surgical consult, it becomes clear that Seb is terrified of disappointing his strict father, and Dylan begins to sympathise with Seb.

An undercover inspection pits the doctors against the nurses, as Connie struggles to come to terms with Grace's condition.

After a disappointing review, Jacob, Charlie and Duffy decide to challenge the team. Will Louise find her heart? Can Noel compete with the brainless machines? Does David have the courage he needs?

Ethan is struggling to bury his feelings for Alicia, made worse by hearing Cal and Alicia giggling together in the room next door. Ethan tries to take his mind off her by inviting another girl to the Christmas party but he can't take his eyes off Alicia. Will Ethan finally confess his feelings for her?

A very drunk and miserable Sebastian makes an ill-judged pass at Dylan and ends up mortified when he is rejected.

Meanwhile, in the spirit of Christmas, Charlie and Duffy announce their love for each other at the party. However things get complicated when Duffy's husband Ryan turns up…

Duffy is forced to choose between her own happiness and that of her family, while Dylan and Seb struggle to work together following an awkward Christmas party.

Rumours spread about Seb and Dylan, while Ethan's loyalty is pushed to the limit.

Dylan wakes up to the wreck of his houseboat he made in rage the previous night after Seb's allegation. With Max and Jez determined to help him after it becomes the gossip of the ED, they try to record Seb confessing his guilt, but to no avail. Will Seb ruin Dylan's career or will he retract his allegations?

Ethan and Alicia wake up together in blissful happiness. When Ethan tells Alicia he wants them to be together, Alicia tentatively agrees to tell Cal, but later bottles it. However Cal soon finds a cufflink on Alicia's bedroom floor…

Meanwhile Connie informs Elle she is reporting her to the GMC after spotting what she thinks is a mistake in Grace's medical notes.

Elle's career is on the line as Connie goes on the warpath, while David struggles to connect with his son.

Iain is confronted by his secret past, and Connie continues her crusade against Elle.

Cal's trust in Alicia is tested by a horrifying discovery, and Charlie and Duffy's wedding is in jeopardy.

Charlie is missing following his stag do, and Duffy is convinced he has cold feet.

Connie's crusade reaches its pinnacle at Elle's hearing. Robyn questions whether she is fit to be a mother.

Iain tries to make amends for his past but gets more than he bargained for. Dylan struggles to cope in an ED under pressure of binge drinkers.

Connie's faced with a difficult decision when an opportunity for vengeance arises. Iain's determined to make amends with his sister.

David's erratic behaviour is cause for concern, and Gem struggles on her first day at work.

Charlie helps a reluctant friend to face her fears as David's behaviour spirals out of control.

Robyn tries to make David see sense as the team rush to find them, but an unexpected arrival makes her own situation all the more perilous.

Five days spent with Robyn on the neonatal intensive care unit - will her baby pull through the traumas of her premature birth?

There's bad news in store for the team as Sam announces budget cuts. And Gem hitches a ride with Iain.

Connie is faced with a tough decision when Hugo's dad delivers some shocking news. David faces a difficult first day back after his breakdown.

Jez's promiscuity lands him in hot water, as Cal rallies the team to take on Sam.

Sam goes back to the floor and makes an error, while Iain's disappointment in his sister leads to tragic consequences.

Events with the Ellissons spiral out of control, while Gemma faces the consequences of her actions.

Jez reveals his true feelings for Mickey, as a revelation about recent events leaves Ethan reeling.

It is time for Hugo to go home, but is Connie ready to let him go?

Elle's career talk at her son Blake's school doesn't go to plan when she discovers some unexpected truths about him and his friends. Luckily Jacob and Josh are on hand to help.

When Ethan comes face to face with Scott Ellisson, will he get the answers he wants?

Ethan looks for answers about Cal's last moments as he plans his last goodbye.

It is the day of the consultants' interviews, but who is going to lose their job? Lily and Iain are loved up after a night of passion, but how long will it last?

A new registrar arrives for his first shift, sending shockwaves through the ED. David enlists a reluctant Dylan to help turn his fortunes around.

Ethan's obsession with Scott Ellisson comes between his relationship with Alicia, while Connie and Sam's feud puts the team in an awkward position.

Jez and Mickey's relationship is put to the test, while the team rally to raise money for the Calais trip.

The Ellissons are back in the ED creating trouble, while Connie shows off a fixed Grace.

Ethan throws himself into work. Jez faces a harrowing incident. Duffy mentors a pair of school girls who are observing an hour in the department.