Casualty säsong 21

Charlie is reunited with his old friend Duffy on a team trip to Cambodia. When Guppy performs nail-biting medicine in the middle of nowhere and Duffy's new partner lets them down, Charlie struggles to hold his tongue. Back in the UK, Maggie is not amused when Harry palms the visiting Cambodian do...

Out in Cambodia, Comfort faces a dilemma when she battles to save a young mother in potentially fatal labour. Meanwhile, back at Holby City ED, Harry has to accept help from Cambodian doctor Somnang after a double-decker bus crashes, and Maggie is forced to confront some surprising emotions.

Selena persuades Nathan to have an HIV test, new paramedics Dixie and Cyd make a bad first impression on Josh, and Alice gets hurt when Kelsey's plan to punish Ellen backfires.

Selena gains a promotion that puts her on equal footing with Harry, Kelsey gives up smoking, and seeking popularity, Alice starts an alphabet game.

An old face is back in Holby to ruffle some feathers, while a young woman faces the most traumatic experience a mother can face.

Comfort risks everything to help a little girl, getting closer to Sean in the process. Elsewhere, Kelsey is finding it hard to give up smoking and pushes the alphabet game too far, and the department gets some devastating news.

Tess lets herself in for a slippery ride when she takes the Health Authority visitors on a tour of the emergency department, and Comfort tries to make the best of it when her first date with Sean starts to go rapidly downhill.

After a day with Josh, Charlie reaches a shocking decision. Meanwhile, can Comfort's new-found happiness with Sean last?

Selena organises a MAJAX (Major Incident Plan) training day but loses control, and Sam helps Alice invent a boyfriend. Also, a father's stupid pride leads to disaster for his sons, when a fight breaks out between strikers and workers at a car factory.

Comfort makes a life-changing choice, and Harry is offered the ultimate job prospect. Is he about to leave the ED to its fate?

Harry makes an important decision about his future, while Ellen dreams up a sexy way to draw attention to the campaign to save the department. Meanwhile, Josh is distraught when he makes a mistake with a patient.

Nathan faces temptation when he gets an offer he can't refuse, the actions of a homeless drug addict force Maggie, Charlie and Josh into a cruel dilemma, and Charlie and Josh come to blows, leaving Josh homeless.

Nathan sticks his oar in when Selena is set to appear on television to fight the department's closure, and a patient displays mysterious symptoms which threaten to quarantine the department.

The MP for Holby is rushed into the department, while an undercover journalist threatens the campaign against the closure. Meanwhile, Josh is increasingly isolated, and Greg helps Abs out of a sticky situation.

Lonely and struggling with his personal demons, Josh spirals out of control. Meanwhile, Ellen has to cope with the possible return of her cancer. Distracted, they fail to prevent a desperate mother from taking extreme measures, the consequences of which could change their lives forever.

Nathan proves an unlikely hero and the team are pushed to their limits when one of their own ends up on the operating table.

As staff reel from their horrendous Christmas, Harry has a dark night of the soul, Kelsey is offered help of an unusual kind, and Charlie gives Josh the strength to embrace the rest of his life.

Guppy's life hangs in the balance as he's sent into a dangerous building where he must fight to save a patient, Kelsey gets a reprieve and Harry returns from the wilderness with a new mission.

The gang decide to get away from all the recent tragedy, but their seaside trip goes horribly wrong. Meanwhile, Nathan's mother causes havoc for her son, with unexpected results for Selena.

Alice's day from hell is made worse when Harry tries to comfort her. Meanwhile, Kelsey is desperate for money, but will she turn to prostitution to get herself out of debt?

Harry is suspended by Nathan after he persuades Alice to make a formal complaint, Abs has an emotional day, and Kelsey is forced into taking desperate measures, leading to a nasty surprise.

Kelsey and Nathan reach an uneasy agreement, while Selena has an answer to Nathan's question.

Kelsey agonises over whether to tell Selena the truth about Nathan as their wedding approaches, Harry's had enough when news of Alice's harassment claim is leaked to the papers, and Dixie makes an enemy of Tess.

Can Harry win enough votes at the election to save his department from closure? Meanwhile, a young woman's real identity causes trouble in the ED.

It's Harry's last shift and the emotion is too much for him and Selena, and there is a vigilante on the rampage who soon stops Harry from having a smooth exit.

Posh new nurse Nadia works her first shift and triggers a war with Kelsey, Selena feels Harry's absence and Nathan spoils her chances with her new love prospect, and a trio of mountaineers attempt to keep a dark secret.

The arrival of a new female consultant drives a wedge between Greg and Cyd, and Jeff and Dixie have a bet on a patient.

A tragic bomb explosion in Holby makes Greg question the choice he has made about Cyd, and Nadia and Kelsey jostle for the limelight when a newsreader is injured.

Megan returns to Holby to help her psychotic grandchild, and Nathan fumes when the ED staff, with help from a reluctant Angus Deayton, get into the spirit of Red Nose Day in an episode centred around mental health issues.

Cyd is haunted by the death of a patient and begins to believe the girl's spirit is warning her about a child in danger. Neither Dixie nor Greg believe her, but Cyd is determined to trust her instincts.

Nathan takes a gamble on a new consultant named Stitch, Greg battles to prove he believes in Cyd, Alice stands up to Tess, winning Sam a paramedic shift, and Nora defies Jim by joining forces in the hunt for Kira's baby.

Maverick new consultant Stitch makes a dramatic impact on ED, but not everyone is impressed, and Sam's eyes are opened on a paramedic shift when he dashes to the aid of two ladies in distress.

It's life or death as Stitch gambles on Guppy's ability to make decisions, and Sam arrives late for work, with a mystery woman on his arm.

Nadia puts her affair with Stitch before work, but is betrayed, Dixie realises her feelings for Cyd run deeper, and Selena gets a result, throwing her into uncertainty.

Charlie is concerned when Guppy's adulation of Stitch risks the life of a young boy, Selena learns the identity of her baby's father, and Jeff encourages Dixie to talk about her feelings for Cyd.

Josh has to face some difficult decisions when he returns to Holby and finds himself at the centre of a terrorist alert, Selena has something very important to tell Nathan, and Sam reacts badly when Alice voices her suspicions about Tess and Abs.

Tess is in turmoil when Sam fails to show up for work, and Nathan establishes contact of a new kind, whilst Selena makes a tough decision affecting their future.

Sam still hasn't come home, so when a boy matching his description is trapped at a crash site, Tess and the rest of the team begin to panic. Meanwhile, Dixie learns that she has to downsize her crew, and Alice decides to reveal her innermost feelings.

Nathan does everything in his power to prevent Selena from going ahead with the abortion, and Dixie's decision about the transfer is made for her.

After a terrible accident on the hospital premises, Nathan must rely on Stitch's brilliance to save a man's life and stop them from being sued, while a knife attack causes Josh to have flashbacks to his own stabbing.

A shocking case forces Nadia to bond with a child and revisit her past, leaving Tess surprised by her reaction. Later, sparks fly at Tess' party as it turns into a showdown between Nathan and Selena, resulting in Cyd and Greg falling out.

When a newborn baby is found abandoned by its teenage mother, Selena struggles to keep her emotions over her recent abortion hidden, and mischievous Stitch determines to help Guppy lose his innocence.

Events start to spiral out of control for Guppy as Stitch continues to push him hard. A shout to a sewer proves the ultimate test, but will Guppy be able to handle it? Meanwhile, Kelsey tries her hand at matchmaking, and Charlie forms an unlikely friendship with a bouncer.

Cyd is left fighting for her life when she is bitten by a venomous snake, Dixie confesses a deep secret, and Guppy's exhaustion leads to him making a reckless decision.

The team begin to turn on Stitch, Tess and Abs struggle to get to their tango competition, and Bastille Day celebrations go off with a bang between warring neighbours.

Guppy, following Stitch's bad example, makes a potentially fatal mistake, Dixie and Greg finally reach explosion point, and Josh tries to keep them apart. Meanwhile, the team deals with a lesbian couple struggling to adopt a child.

A clash between Guppy and Stitch has tragic consequences, and Selena reveals a shocking secret to Harry.

Guppy makes a fatal mistake and Stitch decides to fall on his sword to save him, and Selena faces up to her true feelings for Harry, but is it too late?