TV series
Comedy following Cho Seok's ridiculous but hilarious adventures with his girlfriend-turned-wife Ae Bong, their dogs, older brother Jo Joon, and parents. Based on the popular webtoon series of the same name.
See where to watchStreaming, rental and purchase options
Checked Jul 22, 2026
Comedy following Cho Seok's ridiculous but hilarious adventures with his girlfriend-turned-wife Ae Bong, their dogs, older brother Jo Joon, and parents. Based on the popular webtoon series of the same name.
Cast, crew and production details
Lee Kwang-sooJo-Suk
Kim Dae-myungJo-Joon
Jung So-minChoi Ae-Bong
Kim Byeong-okJo Chul-Wang
Kim Mi-kyeongKwon Jung-Gwon
Song Joong-kiWebtoon writer / Jo Suk's friend
Kim Se-jeongWoman next door in Room 205
Kim Kang-hyunWebtoon editor
NAVER TVSouth Korea
Kross PicturesSouth KoreaWatch options above are for the show and may vary by season or episode.
Episode 1
Before Cho Seok became a big-name web cartoonist, he was a not-so-average guy with an offbeat family who became the source of his inspiration.
Guest stars Song Joong-ki, Kim Kang-hyun, Seo Hyun-chul, Yum Dong-hun
Where to watch The Sound of Your Heart
Episode 2
Before Cho Seok became a big-name web cartoonist, he was a not-so-average guy with an offbeat family who became the source of his inspiration.
Guest stars Jang Hyo-jin, Lee Jae-eun, Ban Hye-ra, Choi Dae-sung, Joo Boo-jin, Kim Min-gue, Seo Jin-won, Ok Joo-ri
Where to watch The Sound of Your Heart
Episode 3
Seok quarrels with his parents before realizing it's his mom's birthday.
Where to watch The Sound of Your Heart
Episode 4
It's year 2066, and Seok flashes back to the moment he met his wife, Ae-bong.
Guest stars Seo Woo-jin, Kang Kyun-sung, Jung Yi-rang, Kim Sook, Park Na-rae, Seo Jung-joon, Yoon Jin-yi
Where to watch The Sound of Your Heart
Episode 5
A newly opened fried-chicken restaurant threatens Seok's dad's business.
Guest stars Geum Gwang-san, Kim Roi-ha
Where to watch The Sound of Your Heart
Episode 6
Seok and Ae-bong share conflicting memories of their high school days.
Guest stars Lee Su-ji
Where to watch The Sound of Your Heart
Episode 7
Seok's cartoons keep getting rejected, so he turns to his journal for ideas.
Guest stars Kim Kang-hyun, Ok Joo-ri, Kim Min-kyoung
Where to watch The Sound of Your Heart
Episode 8
Seok's brother Jun goes clubbing while wearing his dad's new outfit.
Guest stars Choi Dae-sung, Lee Se-young
Where to watch The Sound of Your Heart
Episode 9
Ae-bong's friends are certain Seok will ask Ae-bong out soon.
Guest stars Park Kyung-hye
Where to watch The Sound of Your Heart
Episode 10
Ae-bong and Seok each receive some advice from self-proclaimed romance experts.
Guest stars Choi Dae-sung, Park Kyung-hye, Kim Min-ho, Son Young-soon
Where to watch The Sound of Your HeartEpisode 11
While Ae-bong is over at Seok's house, Seok's dad begins unleashing his bucket list.
Where to watch The Sound of Your HeartEpisode 12
Paper-thin walls and noisy neighbors make for a vengeful Seok.
Guest stars Kim Se-jeong, Jung Joon-young, Kim Tae-won, Shin Dong-yup, Jeon Hyun-moo, Park Seul-gi, Jung So-yeon, Bae Jin-yea
Where to watch The Sound of Your HeartEpisode 13
Seok plans a surprise birthday party for Ae-bong, who is upset with him.
Guest stars Woo Hyeon, Lee Yong-nyeo
Where to watch The Sound of Your HeartEpisode 14
While on a business trip, Jun makes video calls to everyone in his family.
Guest stars Kim Min-gue
Where to watch The Sound of Your HeartEpisode 15
Seok gets featured in a TV documentary about web cartoonists.
Guest stars Kim Min-ho, Yoo Jang-young
Where to watch The Sound of Your HeartEpisode 16
While in China for a business trip, Jun mistakes a fire drill for an actual fire.
Guest stars Seo Hyun-chul, Lee Su-ji, Cao Lu
Where to watch The Sound of Your HeartEpisode 17
Seok sets up a blind date for his identical twin cousins.
Guest stars Kim Jong-kook, Gong Seung-yeon
Where to watch The Sound of Your HeartEpisode 18
Seok accidentally pushes Ae-bong down the stairs, leaving her with casts on both arms.
Where to watch The Sound of Your HeartEpisode 19
One Sunday, Jun gets called to work, and Seok's parents go on a trip.
Guest stars Seo Hyun-chul, Yum Dong-hun, Shin Gu
Where to watch The Sound of Your HeartEpisode 20
Tired of working, Seok tries to convince his boss to grant him a break.
Guest stars Kim Kang-hyun, Seo Woo-jin, Moon Ji-yoon
Where to watch The Sound of Your HeartEpisode information updated Jul 22, 2026
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