Signal Season 2, officially titled as “The Second Signal” has finally released its first official teaser.
The first season of Signal Kdrama aired in 2016, leaving a lasting impact on the crime-thriller Kdrama genre. Inspired by real-life cold cases, the series followed a profiler from the present and a detective from the past who communicated through a mysterious walkie-talkie to solve long-unsolved crimes. With its gripping storytelling, emotional depth, and mind-bending time-travel elements, the drama became an instant classic.
Signal Season 2 Teaser
The teaser doesn’t show much, except the famous walkie talkie. You can watch it below.
"무전은 다시 시작될 거예요"
— tvN drama (@CJnDrama) March 12, 2025
다시 울리는 무전기 속 기다려온 그 목소리📱
<두번째 시그널>
2026년 첫 방송ㅣtvN#두번째시그널 #김혜수 #조진웅 #이제훈#tvN #같이달려tvN #스트리밍은TVING @_1123hz pic.twitter.com/jKhuj6WyvR
What to Expect in Season 2?
With The Second Signal, the stakes are expected to be even higher. The original lead cast—Lee Je Hoon (Park Hae Young), Kim Hye Soo (Cha Soo Hyun), and Cho Jin Woong (Lee Jae Han)—will all be reprising their roles, ensuring continuity in the story. The new season is set to delve deeper into the fate of Detective Lee Jae Han, whose unresolved storyline left fans on edge.
Adding to the excitement, acclaimed writer Kim Eun Hee, the mastermind behind the original script, is returning to pen Season 2. Known for her exceptional work on Kingdom and Jirisan, she is expected to craft an even more intricate and suspenseful narrative.
When Will “Signal” Season 2 Be Released?
While an exact release date has not yet been confirmed, tvN has stated that production is in full swing, with the premiere planned for the first half of 2026.
As we await more details, one thing is certain—Signal Season 2, The Second Signal, is shaping up to be an interesting Kdrama. Stay tuned for more updates.