The BEST episodes of IRIS season 1

Every episode of IRIS season 1, ranked from best to worst by thousands of votes from fans of the show. The best episodes of IRIS season 1!

Two elite National Security System (NSS) agents, Hyeong-Jun (Lee Byung-Hun) and Sa-Woo (Jeong Jun-Ho), who were sworn blood brothers, both fall for fellow agent Seung-Hee (Kim Tae-Hee). Sa-Woo attempts to suppress his feelings for Seung-Hee and wishes the couple the best. Hyeon-Jun is then sent off on a solo mission to Hungary. In Hungary, Hyeon-jun accomplishes his mission and while in escape mode becomes wounded. Shortly later, Hyeon-jun finds out that he was betrayed by fellow agent Sa-woo. Seung-Hee attempts to help Hyeon-Jun escape, but a car explosion separates the two and both are misled to believe that the other person are dead. Hyeon-Jun is then saved by an unknown voice and learns of the secret society "IRIS". One year later, Hyeon-Jun returns to Korea to seek revenge. During this time, the two Koreas are set to reunify, while the group "IRIS" are intent on stopping the reunification.

Last Updated: 4/14/2024Network: KBS 2Status: Ended
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Episode 19
star
8.14
14 votes

#1 - Episode 19

Season 1 - Episode 19 - Aired 12/16/2009

Hyun-Jun has found the IRIS base and arrests Baek San, but Sa-Woo is still missing. The NSS tries to find out where IRIS' next attack will be. Meanwhile, Hyun-Jun finds clues that lead to the belief that Seung-Hee is not a target of IRIS, but another agent.

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Episode 5
star
8.11
75 votes

#2 - Episode 5

Season 1 - Episode 5 - Aired 10/28/2009

Hyun Joon is accused of being a spy. Now the NSS, North Korean Security, and the Hungary Police are all after him.

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Episode 20
star
8.05
73 votes

#3 - Episode 20

Season 1 - Episode 20 - Aired 12/17/2009

Hyun-Jun and the NSS are able to save the hostages, but with the cost of Sa-Woo's life. But on the night of the summit, the NSS receives word that the hostages were actually IRIS soldiers in disguise.

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Episode 6
star
7.98
46 votes

#4 - Episode 6

Season 1 - Episode 6 - Aired 10/29/2009

6-months after Hyeon Jun is believed to be dead, North Korea finds out that he is actually in Japan. Park Chul Young sends Kim Seon Hwa after him.

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Episode 7
star
7.96
45 votes

#5 - Episode 7

Season 1 - Episode 7 - Aired 11/4/2009

Seung-Hee believes that Seon-Hwa knows Hyun-Jun's whereabouts and follows her back to Japan. Meanwhile, Hyun-Jun is being hunted by Japan's National Intelligence Office.

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Episode 16
star
7.95
44 votes

#6 - Episode 16

Season 1 - Episode 16 - Aired 12/3/2009

The President has ordered Young Ki Eun's arrest. But when he turns up dead, the President orders Sa Woo and Baek San's arrests. Meanwhile, Hyun-Jun, Seon-Hwa, and Cheol-Yeong try to locate the nuclear bomb before it goes off at 5pm.

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Episode 10
star
7.93
44 votes

#7 - Episode 10

Season 1 - Episode 10 - Aired 11/12/2009

Hyun-Jun and Cheol-Yeong's men set up a wild goose chase for the NSS so that they can break into NSS headquarters without being seen.

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Episode 13
star
7.93
44 votes

#8 - Episode 13

Season 1 - Episode 13 - Aired 11/25/2009

Seung-Hee and Hyun-Jun are reunited. But the terrorists force Hyun-Jun to interrogate her for information. Meanwhile, it has finally been informed to everyone that the terrorists plan to use the nuclear bomb in Seoul during the reunification meeting of the North and South.

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Episode 9
star
7.89
45 votes

#9 - Episode 9

Season 1 - Episode 9 - Aired 11/11/2009

Kim Hyun-Jun asks for Park Cheol-Yeong's help in getting his revenge on the NSS for abandoning him. Cheol-Yeong will only agree if Hyun-Jun helps to plan an assassination attempt on a North Korean traitor.

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Episode 4
star
7.79
105 votes

#10 - Episode 4

Season 1 - Episode 4 - Aired 10/22/2009

Hyun Joon is given a solo assignment to assassinate a North Korean minister. But his actions could have him become the hunted.

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Episode 18
star
7.58
72 votes

#11 - Episode 18

Season 1 - Episode 18 - Aired 12/10/2009

Information has leaked out at NSS about the whereabouts of Baek San and Sa-Woo. Yang Mi-Jeong has turned up dead. IRIS is planning an attack on the South Korean President. And Seon-Hwa believes the Seung-Hee may be an IRIS target as well.

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Episode 2
star
7.55
111 votes

#12 - Episode 2

Season 1 - Episode 2 - Aired 10/15/2009

For their first assignment, Hyun Joon and Sa Woo must stop a planned assassination on the South Korean President.

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Episode 12
star
7.55
75 votes

#13 - Episode 12

Season 1 - Episode 12 - Aired 11/19/2009

Hyun-Jun makes contact with the secret man that saved his life in Hungary, in order to find out more about IRIS and his parents. Seong-Hee has become obsessed, once again, with finding Hyun-Jun, which is getting her in trouble with the NSS.

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Episode 8
star
7.48
75 votes

#14 - Episode 8

Season 1 - Episode 8 - Aired 11/5/2009

A mysterious man has been trying to track down Hyun-Jun because of a USB drive that he received from the late Hong Seung Ryong. It turns out that the USB has information on a mysterious terrorist organization, called IRIS.

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Episode 1
star
7.41
146 votes

#15 - Episode 1

Season 1 - Episode 1 - Aired 10/14/2009

Kim Hyeon-Jun and Jin Sa-Woo, fall for the same woman who has chosen the both of them to be new members of a secret anti-terrorist organization.

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Episode 17
star
7.38
45 votes

#16 - Episode 17

Season 1 - Episode 17 - Aired 12/9/2009

The terrorist attack has been stopped and the future is looking bright. Baek San and Sa-Woo are locked up and Hyun-Jun and Seung-Hee are back together. Now, it's time to find the people of IRIS who were not on the list.

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Episode 3
star
7.36
106 votes

#17 - Episode 3

Season 1 - Episode 3 - Aired 10/21/2009

After saving the President's life, Kim Hyun Joon, Choi Seung Hee, and Jin Sa Woo are granted a vacation. But Sa Woo is called back to rescue a nuclear specialist from a secret terrorist organization, while Hyun Joon and Seung Hee enjoy their getaway in Japan.

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Episode 14
star
7.34
44 votes

#18 - Episode 14

Season 1 - Episode 14 - Aired 11/26/2009

Park Sang-Hyeon and Seung-Hee are beginning to suspect Sa-Woo and Baek San of being traitors. Park Cheol-Yeong is starting to have second thoughts about the nuclear attack. Meanwhile, Hyun-Jun informs the South Korean President about IRIS.

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Episode 15
star
7.24
45 votes

#19 - Episode 15

Season 1 - Episode 15 - Aired 12/2/2009

Park Cheol-Yeong joins Hyun-Jun and an unknown organization to stop the terrorist attack on Seoul. But first, they must track down the bomb. Meanwhile, IRIS is beginning to take control of the NSS.

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Episode 11
star
6.60
45 votes

#20 - Episode 11

Season 1 - Episode 11 - Aired 11/18/2009

Hyun-Jun finally discovers that Seung-Hee is still alive. He escapes, with the terrorists, from NSS with a piece to a nuclear weapon. Now Hyun-Jun has gained Park Cheol-Yeong's trust.

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