# “100 Days of Deception” Is One Episode Away from a Double-Digit Moment

URL: https://technosports.co.in/100-days-of-deception-is-one-episode-away-from-a-double-digit-moment/  
Published: 2026-10-20  
Updated: 2026-10-20  
Author: Reetam Bodhak

Spy dramas live and die by one thing: whether viewers keep coming back for the next twist. For tvN’s **“100 Days of Deception,”** the answer is a loud yes.

## The Headline Number

On October 18, the spy romance’s fourth episode hit its **highest ratings yet**, averaging **9.0% nationwide** according to Nielsen Korea. It also ranked **first in its time slot across all channels**, including public broadcasters, and was the most-watched show in its slot among viewers aged 20 to 49. Double digits are now within reach.

![100 Days of Deception](https://images.technosports.co.in/2026/10/100-days-of-decept-1.webp)

## 100 Days of Deception: Sunday Ratings

| Drama | Network | Nationwide Rating |
| --- | --- | --- |
| Love on the Menu | KBS2 | 16.7% |
| 100 Days of Deception | tvN | 9.0% |
| A Love Other Than Yours | KBS2 | 1.8% |
| Fly High Butterfly | JTBC | 1.7% (finale) |
| Dive into You | Channel A | 0.5% |

## Why This Climb Matters?

A rise by Episode 4 suggests word of mouth is working. Viewers who tuned in for the premiere are sticking around, and new fans are joining. Winning its time slot against public broadcasters is a notable achievement for a cable drama. The leads, Kim You Jung and Park Jinyoung, also ranked No. 3 and No. 9 on this week’s buzzworthy actor list.

## The Sunday Champion

KBS2’s **“Love on the Menu”** remains the most-watched program of Sunday, rising to 16.7% for the night. So tvN’s drama has a tough neighbor, but its upward trend is the real story.

## What to Watch Next?

- Whether Episode 5 pushes past the 10% mark
- How the spy-and-romance mix develops from here
- Whether the buzz translates into more viewers

New to Korean TV ratings? The [Korean drama Wikipedia page](https://en.wikipedia.org/wiki/Korean_drama) gives helpful background.

Want more drama news and ratings updates? Visit [Techno Sports](https://technosports.co.in/) and explore our [latest K-drama coverage](https://technosports.co.in/).

## FAQs

Q1. What was “100 Days of Deception” Episode 4’s rating?

It averaged 9.0% nationwide, its highest yet, per Nielsen Korea.

Q2. Which drama was Sunday’s most-watched?

KBS2’s “Love on the Menu” led with an average of 16.7%.