The BEST episodes of D-DAY

Every episode of D-DAY ever, ranked from best to worst by thousands of votes from fans of the show. The best episodes of D-DAY!

When a natural disaster strikes Seoul, a team of medical doctors and emergency personnel struggle to deal with its aftermath.

Last Updated: 8/20/2026Network: JTBCStatus: Ended

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#1 - 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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#2 - 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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#3 - 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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#4 - 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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#5 - 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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#6 - 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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#7 - 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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#8 - 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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#9 - 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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#10 - 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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#11 - 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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#12 - 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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#13 - 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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#14 - 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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#15 - 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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#16 - 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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#17 - 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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#18 - 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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#19 - 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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#20 - 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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