Big Mouth Season 1 Episodes

Find out where to watch Season 1 of Big Mouth tonight

Season 1 Episode Guide

Episode 1 - Episode 1

Park Changho, a lawyer with a ten-percent winning rate, loses his own case and is conned out of his lifesavings. To make matters worse, Miho finds out about this and files for divorce. While worrying about losing his beloved Miho, Changho receives a phone call. It is the mayor of Gucheon, Choi Doha, commissioning him a case involving big shots. If this case goes well, perhaps it might not bring Changho fortune, but it might just be able to bring him fame.

  

Episode 2 - Episode 2

Changho wakes up at the hospital, is charged with drug abuse, and locked up in the notorious Gucheon Prison. He is taken by the members of NR Forum and given a harsh initiation for threatening Gong Jihoon. Meanwhile, there is word that Big Mouse, a genius con artist who robbed NR Forum of their slush funds, has been caught. Could Park Changho be Big Mouse?

  

Episode 3 - Episode 3

How did Changho become Big Mouse, and why? The threats and coaxes from all over the prison are confusing to Changho. One thing is clear though: he needs to maintain recognition as Big Mouse to protect Miho. Meanwhile, Miho, who transfers to Gucheon University Hospital to try and clear Changho's name, finds out that something suspicious is going on in the cancer ward.

  

Episode 4 - Episode 4

Curiosity and doubts about the identity of Changho grows and Gong Jihoon decides to test whether Changho is the real Big Mouse. Meanwhile, Miho asks Choi Doha, the mayor of Gucheon, for help with a case that Changho was in charge of.

  

Episode 5 - Episode 5

Changho cross-examines a witness who knows important information about Big Mouse, and Jihoon and Doha watch on nervously. Meanwhile, Jihoon approaches Miho to find Seo Jaeyoung's thesis, but does Miho know Park Changho's true identity? Or is she being fooled?

  

Episode 6 - Episode 6

Has Changho been lying to Miho? Miho joins the prison medical volunteer program to meet Changho, but she does not recognize the Changho who is receiving special treatment in the prison. Meanwhile, Miho receives a call from someone informing her that they know where Seo Jaeyoung's thesis is.

  

Episode 7 - Episode 7

Jaeho warns Changho to stop looking further into Seo Jaeyoung's thesis. Miho is one step closer to the thesis, but is suddenly attacked. Meanwhile, Jihoon, who has lost Chairman Kang's trust, teams up with Jungrak and plans to catch Big Mouse.

  

Episode 8 - Episode 8

Changho is locked up in a mental hospital. Will Changho be able to hide his identity in a state of confusion? Miho finally finds the owner of Seo Jaeyoung's thesis, but she has trouble changing their mind.

  

Episode 9 - Episode 9

Changho stands as an informant in Seo Jaeyoung's murder trial through a social network live broadcast, and Jihoon and Jungrak track Changho in real time. Meanwhile, a terrible rumor circulates that a ghost roams the halls of Gucheon Prison.

  

Episode 10 - Episode 10

Changho calls out Big Mouse, and an unexpected character turns up at the agreed time. Is this person really Big Mouse? Meanwhile, Miho is getting close to the truth of the thesis. She decides to join the prison's medical unit and help Changho.

  

Episode 11 - Episode 11

Changho shifts the power dynamics within the prison, and begins to put pressure on Big Mouse. Doha also tries to find Big Mouse by planting a new warden. Will Big Mouse reveal themselves? Meanwhile, Juhee finally decides to face the reality of the secret research institute at Gucheon Hospital that she has been turning a blind eye to.

  

Episode 12 - Episode 12

The prison is in chaos due to riots, and the warden plans to use this window to take out Changho and Miho. The prisoners head to the medical unit where Miho is.

  

Episode 13 - Episode 13

The hot-plate restaurant is in ruins. The agitated Changho meets someone unexpected there and receives an offer that he cannot refuse.

  

Episode 14 - Episode 14

Changho visits Chairman Kang and makes a tempting suggestion. Kang is impressed by Changho's audacity and invites him to his upcoming birthday party. Doha is sick and tired of Changho's antics and conspires with Yoongab to get rid of him.

  

Episode 15 - Episode 15

Chairman Kang's will is revealed, and Jihoon, now the odd man out, urgently visits Changho. Changho teams up with Jihoon and is busy preparing for the full-fledged elections against Doha when Miho receives a phone call.

  

Episode 16 - Episode 16

The TV debate, which is the last chance to overturn the vote, begins. The smoking gun that will bring down Choi Doha is at the tip of Miho's fingers. Will Choi Doha be destroyed? Will Park Changho become mayor?

  


Seasons

Season 1



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