Hello Monster poster
Where to stream

Hello Monster

7.320151 seasonTV SeriesMysteryDrama

A top detective is reunited with a childhood friend who has since become a leading criminal profiler. Can they join forces to stop a serial killer?

WriterKwon Ki-young
ProducerKim Jin-won

Where to watch

Not available in United Kingdom
Streaming in 44 other countries

Hello Monster isn't on any streaming service in United Kingdom right now, but it's available in Albania, Algeria, Andorra, Bahamas and 40 more. Streaming rights are licensed per country.

Seasons & Episodes

E1
Every Child's Story Begins with Their Parents
Jun 22, 2015 10.0
E2
Hello, Monster
Jun 23, 2015 9.0
E3
Thou Shall Not Kill, But...
Jun 29, 2015 9.0
E4
The Suspect, Lee Hyun
Jun 30, 2015 10.0
E5
Borne Back Ceaselessly into the Past
Jul 6, 2015 10.0
E6
The Blood of a Murderer
Jul 7, 2015 9.0
E7
Let's Be Partners?
Jul 13, 2015 9.0
E8
Remember Me
Jul 14, 2015 9.0
E9
Stalker S
Jul 20, 2015 9.0
E10
Find Me
Jul 21, 2015 9.0
E11
Birth of a Monster
Jul 27, 2015 9.0
E12
If I Had to Kill Somebody...
Jul 28, 2015 9.0
E13
What Choice Would You Make?
Aug 3, 2015 10.0
E14
Lee Joon-young's Room
Aug 4, 2015 10.0
E15
Is a Happy Ending Possible?
Aug 10, 2015 10.0
E16
I Remember You
Aug 11, 2015 10.0

Cast

SISeo In-guk
Seo In-guk
Lee Hyun
JNJang Na-ra
Jang Na-ra
Cha Ji-an
PBPark Bo-gum
Park Bo-gum
Jung Sun-ho/Lee Min
LCLee Chun-hee
Lee Chun-hee
Kang Eun-hyuk
CWChoi Won-young
Choi Won-young
Lee Joon-ho/Lee Joon-yeong
IJIm Ji-eun
Im Ji-eun
Hyun Ji-soo
MSMin Sung-wook
Min Sung-wook
Son Myung-woo
KJKim Jae-young
Kim Jae-young
Min Seung-Joo
JKJun Kwang-ryul
Jun Kwang-ryul
Lee Joong-Min
SSSon Seung-won
Son Seung-won
Choi Eun-Bok

More from Seo In-guk · Lead actor

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Reply 1994
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2015 · 8.1
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2025 · 7.2
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2016 · 7.9
Reply 1997
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2012 · 8.0
See all fromSeo In-guk

More from Jang Na-ra · Co-star actress

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Nonstop
2000 · 5.3
Taxi Driver
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2021 · 8.2
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2018 · 6.3
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Good Partner
2024 · 7.9
Fated to Love You
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2014 · 8.3
Sell Your Haunted House
Sell Your Haunted House
2021 · 7.2
My Happy Ending
My Happy Ending
2023 · 7.2
School 2013
School 2013
2012 · 7.9
Family: The Unbreakable Bond
Family: The Unbreakable Bond
2023 · 7.3
Happy Once Again
Happy Once Again
2016 · 7.0
See all fromJang Na-ra

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Hello Monster — streaming FAQ

Which OTT platform streams Hello Monster?

Hello Monster isn't on any streaming service in United Kingdom yet, but it's available in Andorra, Albania and Bosnia & Herzegovina and other countries. Streaming rights differ by country — switch your country in the header to see where.

Is Hello Monster on Netflix?

No, Hello Monster is not on Netflix in United Kingdom as of October 2026.

Is Hello Monster on Amazon Prime Video?

No, Hello Monster isn't on Amazon Prime Video in United Kingdom right now.

Where can I watch Hello Monster for free?

Hello Monster isn't streaming in United Kingdom yet, so there's no way to watch it free at the moment.

How many seasons are in Hello Monster?

Hello Monster has 1 season in total (16 episodes). The series concluded in 2015.

Are all episodes of Hello Monster out yet?

Yes — all 16 episodes across 1 season of Hello Monster are out and available to stream.

Is there a Season 2 of Hello Monster?

No — Hello Monster ended after 1 season, so there is no Season 2.