52 episodesFirst aired 14 October 2014
E1Oct 20141h
New consultant Fleur Fanshawe shakes things up on Keller.
E2Oct 20141h
A misunderstanding leads to Dom calling Kyle's loyalty towards him into question.
E3Oct 20141h
Mo is determined to prove she can swim with the sharks, but is she in over her head?
E4Nov 20141h
Colette's struggle to help Zosia pushes her relationship with Guy to breaking point.
E5Nov 20141h
Serena is distraught when her mother does not recognise her.
E6Nov 20141h
Serena is overwhelmed by Adrienne's situation. Adele struggles with her workload.
E7Nov 20141h
Guy is forced to confront the fact that Zosia may not be cured of her mental illness.
E8Dec 20141h
Jesse is forced to face up to how his dalliance with Zosia may have impacted her health.
E9Dec 20141h
Raf is thrown by Amy's request. Dominic ruthlessly risks all to fulfil his ambitions.
E10Dec 20141h
Zosia gets emotionally involved with a patient with catastrophic consequences.
E11Dec 20141h
Elliot's plans for a quiet family Christmas are derailed by the arrival of a friend.
E12Dec 20141h
Dominic's past returns to haunt him. Mo needs a date for her sister's wedding.
E13Jan 20151h
Guy's world is rocked by the arrival of a familiar face on the ward.
E14Jan 20151h
Jac considers the possibility of a new start with Emma in the USA.
E15Jan 20151h
Jonny goes head to head with Guy. A shocking discovery knocks Sacha for six.
E16Jan 20151h
Mo tries to hide from Adele, not ready to tell her about the family secret.
E17Feb 20151h
Mary-Claire gains a fresh perspective on her relationship with Harry.
E18Feb 20151h
Sacha is left reeling at the news that his daughter Rachel has left the hospital.
E19Feb 20151h
Is Sacha prepared to sacrifice the love of his daughter and do the right thing?
E20Feb 20151h
Dominic and Arthur compete to impress, but are they stronger together than apart?
E21Mar 20151h
As Guy investigates the death of a patient, Jonny finds himself in hot water.
E22Mar 20151h
Jonny is arrested. Arthur frets over choosing a specialism.
E23Mar 20151h
Harry resists further treatment on his face until he's given a few home truths.
E24Mar 20151h
Mo has to make a choice about her father when she risks losing her last link to him.
E25Mar 20151h
Elliot and Mo fight to save Jonny from being returned to prison by a vindictive Guy.
E26Apr 20151h
Jonny returns to work after his release from prison, with explosive consequences.
E27Apr 20151h
Essie fights for her relationship with Sacha, but has he already moved on?
E28Apr 20151h
Fletch is horrified when Evie's first day at her new school leads to disaster.
E29Apr 20151h
Annabelle and Zosia go head to head with Guy over a special case.
E30May 20151h
Battle lines are drawn as new CEO Henrik Hanssen clashes with Guy.
E31May 20151h
Zosia offers to help Annabelle develop her groundbreaking experimental procedure.
E32May 20151h
Zosia steps out from behind her father's shadow and proves her worth as a surgeon.
E33May 20151h
Essie freaks out when Sacha wants to take things to the next level.
E34Jun 20151h
After a tough day, Jesse and Adele are brought closer together than ever.
E35Jun 20151h
A fiery Essie clashes with Sacha. With increasing money pressures, Fletch crosses a line.
E36Jun 20151h
It's Zosia's first day back on Darwin, but there's a fly in the ointment - Ollie.
E37Jun 20151h
Guy and Jesse clash over Guy's surgical risk-taking.
E38Jun 20151h
An exuberant new doctor on AAU puts Arthur to the test.
E39Jul 20151h
Fletch finds himself at breaking point as his family are kicked out on the street.
E40Jul 20151h
Fletch finds he is in too deep with the pharmaceutical robbery.
E41Jul 20151h
Essie shocks Sacha by announcing she wants to have a baby.
E42Jul 20151h
A devastated Mo tries to keep her head above water while waiting for Adele to come round.
E43Aug 20151h
An uncompromising Mo decides Fletch's fate. Oliver oversteps the mark with Zosia.
E44Aug 20151h
Sacha and Essie realise they may have slightly different visions of their future together.
E45Aug 20151h
Elliot is presented with a dilemma when he is offered an exciting new position.
E46Aug 20151h
Guy attempts to rectify the past through an old friend of his deceased wife.
E47Sept 20151h
Jesse and Guy's increasingly fractious relationship hits the rocks.
E48Sept 20151h
Guy is held hostage by a grieving widower looking for revenge.
E49Sept 20151h
Sacha's world is thrown into uncertainty when an old nursing friend of Essie's turns up.
E50Sept 20151h
When Elliot's first love tumbles back into his life, Elliot makes a startling choice.
E51Sept 20151h
Cara is shell-shocked when her undercover cop husband arrives at the hospital.
E52Oct 20151h
It's the day of the wedding. Adele's world is rocked when she makes a startling discovery.