So Ji Sub is back — and Korean television audiences wasted absolutely no time in showing up for him. The action revenge drama Agent Kim Reactivated has landed with a bang, setting a record on its very first night that no other miniseries this year has come close to matching.
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Ratings at a Glance: June 26, 2026
| Drama | Network | Episode | Nationwide Rating |
|---|---|---|---|
| Agent Kim Reactivated | SBS | Episode 1 | 9.5% ✅ #1 in time slot |
| Fifties Professionals | MBC | Penultimate Ep. | 6.0% (personal best) |
Agent Kim Reactivated: A Record-Breaking Debut
According to Nielsen Korea, the first episode of Agent Kim Reactivated took first place in its time slot across all channels with an average nationwide rating of 9.5 percent, making it the most-watched miniseries to air this entire week — and the highest premiere ratings of any miniseries in all of 2026.
That’s not just a strong start — that’s a statement. For a miniseries to clear 9.5% on its opening episode in today’s fragmented viewing landscape is genuinely remarkable, and it speaks volumes about the pulling power of So Ji Sub as a leading man. The action revenge genre has always had a loyal fanbase in Korea, and this debut suggests Agent Kim Reactivated may be the year’s biggest conversation in that space.
Korean miniseries — typically running between 10 to 16 episodes — have long been a staple of the country’s broadcasting culture. You can read more about the Korean drama format and its global rise on Wikipedia. For more K-drama ratings updates and entertainment news, check out TechnoSports.
Fifties Professionals Also Hits a Personal Best
It wasn’t just one drama making headlines that night. MBC’s Fifties Professionals, which has just one episode left to go, achieved its highest viewership ratings yet ahead of its series finale — the penultimate episode jumped to an average nationwide rating of 6.0 percent, marking a new personal record for the show.
A drama hitting its peak audience right before the finale is always a good sign — it means viewers are locked in and hungry for the conclusion. If you haven’t started Fifties Professionals yet, now is actually the perfect time to binge before the finale airs.
FAQs
Q: What ratings did Agent Kim Reactivated earn on its premiere night?
The So Ji Sub-led SBS drama debuted to a 9.5% average nationwide rating on June 26, 2026, claiming the top spot in its time slot and setting the record for the highest premiere ratings of any miniseries in 2026.
Q: What is Agent Kim Reactivated about?
Agent Kim Reactivated is an action revenge drama starring So Ji Sub, currently airing on SBS in South Korea following a record-breaking premiere.
