The BEST episodes of D-DAY season 1
Every episode of D-DAY season 1, ranked from best to worst by thousands of votes from fans of the show. The best episodes of D-DAY season 1!
When a natural disaster strikes Seoul, a team of medical doctors and emergency personnel struggle to deal with its aftermath.

#1 - Episode 20
Season 1 - Episode 20 - Aired 11/21/2015
Hae-seong faces the hardest decision he's had to make since he became a doctor.
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#2 - Episode 3
Season 1 - Episode 3 - Aired 9/25/2015
A 6.5 earthquake hits the city of Seoul; Hae-seong and Ttol-mi attempt to treat the injured.
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#3 - Episode 4
Season 1 - Episode 4 - Aired 9/26/2015
There are people who are still alive under a pile of concrete; Hae-seong makes a difficult decision.
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#4 - Episode 8
Season 1 - Episode 8 - Aired 10/10/2015
The hospital depletes its resources, yet rescues continue and victims pour in.
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#5 - Episode 9
Season 1 - Episode 9 - Aired 10/16/2015
U-jin complains of dizziness; a crisis strikes the ER as multiple patients go into cardiac arrest.
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#6 - Episode 11
Season 1 - Episode 11 - Aired 10/23/2015
While treating an elderly man and a young boy, Hae-seong experiences severe anxiety symptoms.
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#7 - Episode 1
Season 1 - Episode 1 - Aired 9/18/2015
Risking lawsuits to save lives, surgeon Lee Hae-seong clashes with the hospital director, Park Geon.
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#8 - Episode 2
Season 1 - Episode 2 - Aired 9/19/2015
A sudden explosion creates numerous casualties; Hae-seong, Ttol-mi, and Ji-na are all on the scene.
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#9 - Episode 5
Season 1 - Episode 5 - Aired 10/2/2015
Doctors perform triage on the victims, but Director Park and Han U-jin have a different plan.
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#10 - Episode 18
Season 1 - Episode 18 - Aired 11/14/2015
Not able to trust another doctor with her father, Ttol-mi pleads for Hae-seong's help.
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#11 - Episode 7
Season 1 - Episode 7 - Aired 10/9/2015
After going to search for a blood bank, Hae-seong returns to Mirae Hospital injured and unconscious.
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#12 - Episode 13
Season 1 - Episode 13 - Aired 10/30/2015
Hae-seong studies to tackle a complicated surgery that no other doctor is willing to perform.
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#13 - Episode 14
Season 1 - Episode 14 - Aired 10/31/2015
Director Park is asked to perform neurosurgery on a VIP patient who is in critical condition.
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#14 - Episode 10
Season 1 - Episode 10 - Aired 10/17/2015
Director Park and Kang Ju-ran, head of ER, argue over whether to close the hospital.
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#15 - Episode 12
Season 1 - Episode 12 - Aired 10/24/2015
Hae-seong locks himself up in his room; Director Park vows to make him pay for his misjudgment.
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#16 - Episode 15
Season 1 - Episode 15 - Aired 11/6/2015
Director Park calls for an executive meeting to discuss Hae-seong's qualifications.
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#17 - Episode 17
Season 1 - Episode 17 - Aired 11/13/2015
Congressman Gu Ja-hyeok gets into a confrontation with the head of the fire crew.
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#18 - Episode 6
Season 1 - Episode 6 - Aired 10/3/2015
Mirae Hospital is running out of electricity, and Director Park prepares for a complete shutdown.
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#19 - Episode 16
Season 1 - Episode 16 - Aired 11/7/2015
Director Park's struggle for power turns into a battle of pride between himself and Hae-seong.
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#20 - Episode 19
Season 1 - Episode 19 - Aired 11/20/2015
Mirae Hospital's doctors return to work; Director Park plans his revenge against Hae-seong.
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