The Roku Channel
OnDemandKorea
E1Episode 1
Where to watch
Seasons & Episodes
E1
E2Episode 2
E3Episode 3
E4Episode 4
E5Episode 5
E6Episode 6
E7Episode 7
E8Episode 8
E9Episode 9
E10Episode 10
E11Episode 11
E12Episode 12
E13Episode 13
E14Episode 14
E15Episode 15
E16Episode 16
E17Episode 17
E18Episode 18
E19Episode 19
E20Episode 20
Cast · Directed by Jo Soo-won
JI
Jung In-gi
Cha Do-hyeok
JM
Jo Min-jun
Lee Hyung-nyeon
YS
Yoon Sang-hyun
Ha Moo Yum
KM
Kim Min-joung
Maria Oh
SD
Sung Dong-il
Yang Cheol-gon
LJ
Lee Joon
Ryu Tae-oh
KJ
Kim Ji-won
Ma Ji-wool
KN
Kang Nam-gil
Han Sang-hoon
MS
Min Sung-wook
Nam Ki Ri
YK
Yoon Kyun-sang
Youngest detective
CS
Choo Soo-hyun
Oh Young-ae
YC
Yoon Chan-young
young Ryu Tae-oh
More from Jung In-gi · Lead actor
More from Jo Min-jun · Co-star actor
More from Jo Soo-won · Director
More like this
Gap Dong — streaming FAQ
Which OTT platform streams Gap Dong?
Gap Dong is streaming on The Roku Channel and OnDemandKorea in United States. It's not currently on Netflix.
Is Gap Dong on Netflix?
No, Gap Dong is not on Netflix in United States as of September 2026. It's currently on The Roku Channel and OnDemandKorea.
Is Gap Dong on Amazon Prime Video?
No, Gap Dong isn't on Amazon Prime Video in United States right now. It's on The Roku Channel and OnDemandKorea instead.
Where can I watch Gap Dong for free?
Gap Dong is available to stream free (with ads) on The Roku Channel and OnDemandKorea in United States.
How many seasons are in Gap Dong?
Gap Dong has 1 season in total (20 episodes). The series concluded in 2014.
Are all episodes of Gap Dong out yet?
Yes — all 20 episodes across 1 season of Gap Dong are out and available to stream.
Is there a Season 2 of Gap Dong?
No — Gap Dong ended after 1 season, so there is no Season 2.
