Big Mouth_
Original: 빅마우스
A lawyer with a ten-percent winning rate is caught up in a murder case and becomes the notorious and genius con artist, Big Mouse, overnight. In order to survive and protect his family, he tries to reveal the true colors of the privileged people involved in a huge conspiracy.
Created By
Jang Young-cheol, Jung Gyeong-sun
Network
MBC
Episodes
16
Updated Feb 16, 2026
WHERE TO WATCH
DROPTHE_ GOSSIP
Overview
Big Mouth has 1 season with 16 episodes spanning 2022.
Rating
With a 8.3/10 rating from 320 votes, Big Mouth is considered highly rated.
Year context
Big Mouth first aired 4 years ago in 2022.
CAST (20)
Lee Jong-suk
Park Changho
Yoona
Go Miho
Kim Ju-hun
Choi Doha
Kwak Dong-yeon
Jerry
Yang Kyung-won
Gong Jihoon
Ok Ja-yeon
Hyeon Joohee
Oh Eui-sik
Kim Soontae
Kim Jeong-hyeon
Jung Chaebong
Lee Yoo-jun
Han Jaeho
Oh Ryoong
Lee Doogeun
Yoon Seok-hyun
Cha Seungtae
Park Hoon
Seo Jaeyoung
Kim Kyu-seon
Ashley Kim
Jang Hyuk-jin
Choi Jungrak
Kim Sun-hoa
Park Miyoung
Park Se-hyun
Jang Heejoo
Jeong Jae-seong
Park Yoongab
Kang Hyung-wook
No Bak
Lee Ki-young
Go Gikwang
Kim Dong-won
Gan Soocheol
SEASONS (1 season, 16 episodes)
SEASON 1
01
Episode 1
Changho, who has no money and is about to lose his wife, receives a call from the mayor of Gucheon.
02
Episode 2
Changho is charged with drug abuse and locked up in Gucheon Prison.
03
Episode 3
Changho needs to maintain recognition as Big Mouse to protect Miho.
04
Episode 4
Gong Jihoon makes a bet with Changho to find out his true identity.
05
Episode 5
Jihoon approaches Miho to find Seo Jaeyoung's thesis. Does Miho know Changho's true identity?
06
Episode 6
Miho joins the prison medical volunteer program to meet Changho.
07
Episode 7
Jaeho warns Changho to stop looking into Seo Jaeyoung's thesis. Miho is suddenly attacked.
08
Episode 8
Changho is in a mental hospital. Will Changho be able to hide his identity in a state of confusion?
09
Episode 9
Changho stands as an informant in Seo Jaeyoung's trial, and Jihoon and Jungrak search for Changho.
10
Episode 10
Changho calls out Big Mouse, and an unexpected character turns up at the agreed time.
11
Episode 11
Changho shifts the power dynamics in the prison to pressure Big Mouse. Doha plants a new warden.
12
Episode 12
The warden plans to use the prison riots to take out Changho and Miho.
13
Episode 13
The hot-plate restaurant is in ruins. The agitated Changho meets someone unexpected there.
14
Episode 14
Changho makes a tempting offer to Chairman Kang. Doha conspires with Yoongab to get rid of Changho.
15
Episode 15
Changho prepares for the full-fledged elections against Doha, but Miho's health is in trouble.
16
Episode 16
The TV debate begins, and the smoking gun that will bring down Choi Doha is at Miho's fingers.
SERIES INFO
1
Seasons
16
Episodes
68 min/ep
Per Episode
Ended
Status
CREW
Creator
Jang Young-cheol
Creator
Jung Gyeong-sun
NETWORKS (1)
MBC
DETAILS
First Aired
Last Aired
Status
Ended
Seasons
1
Episodes
16
Episode Length
68 min/ep
Language
Korean
Country
Rating
8.3/10 (320 votes)
Popularity
9
IMDB
FREQUENTLY ASKED QUESTIONS
What is Big Mouth about?
A lawyer with a ten-percent winning rate is caught up in a murder case and becomes the notorious and genius con artist, Big Mouse, overnight. In order to survive and protect his family, he tries to reveal the true colors of the privileged people involved in a huge conspiracy.
Where can I watch Big Mouth?
Big Mouth is available on Disney+, Hotstar, Hulu, wavve. Availability varies by region.
How many seasons does Big Mouth have?
Big Mouth has 1 season with 16 episodes total.
Who created Big Mouth?
Big Mouth was created by Jang Young-cheol and Jung Gyeong-sun.
Who stars in Big Mouth?
The cast of Big Mouth includes Lee Jong-suk, Yoona, Kim Ju-hun, Kwak Dong-yeon, Yang Kyung-won.
What is the rating of Big Mouth?
Big Mouth has a rating of 8.3 out of 10 based on 320 votes on TMDB.
Is Big Mouth still running?
Big Mouth has ended. The final episode aired on .
GENRES (3)
Mystery
Drama
Crime
