“Big Mouth” final episode, which aired on September 17th, broke its own viewer rating record by achieving 13.9% in Seoul area and 13.7% nationwide. It also ranked 1st place among dramas of the same broadcasting time.

In the 2049 rating chart, “Big Mouth” ended successfully by recording 5.4% and placed No.1 in the rankings of all programs on Saturday. In particular, the real-time rating soared to reach the peak of 16.9% in the scene where Park Chang-ho (Lee Jong-seok) punished Choi Do-ha (Kim Joo-heon).

In the broadcast that day, as Choi Do-ha, who was the most powerful figure, died, Park Chang-ho won the long battle to uncover the ugly bare face of the privileged together with small citizen families.
Source: nate