S01E0150:461. Episode 1When a shocking mass shooting shatters Korea's calm, Lee Do races to stop the violence — then realizes the threat of illegal guns is just beginning.
Trigger Season 1 – Watch online
10 episodes · since July 25, 2025
All episodes of season 1 of Trigger: summaries, air dates, ratings and legal platforms (dubbed or subtitled depending on the platform).
S01E0150:461. Episode 1When a shocking mass shooting shatters Korea's calm, Lee Do races to stop the violence — then realizes the threat of illegal guns is just beginning.
S01E021:01:442. Episode 2As shootings spread, Lee Do discovers guns in the hands of everyday citizens. When a victim hits close to home, his investigation grows more urgent.
S01E0343:263. Episode 3A police raid uncovers a cache of military weapons. Lee Do and his new ally Moon Baek close in on the arms network as the city reels from bloodshed.
S01E0455:094. Episode 4Lee Do confronts a violent standoff and must decide how far to go to stop the killings, while suspicions about Moon Baek threaten their fragile alliance.
S01E0545:195. Episode 5Guns reach bullied students and grieving parents, sparking new tragedies. Lee Do uncovers a network delivering weapons to vulnerable people across Korea.
S01E0644:376. Episode 6A gun in the hands of a student spells crisis at school. As panic spreads, Lee Do and Moon Baek race rush to restore order — but it may be too late.
S01E0746:477. Episode 7As fear and confusion grow, police and gangs rush to recover illegal guns. Lee Do feels powerless as the true scale of the arms crisis comes to light.
S01E0846:228. Episode 8Police raid the gun syndicate, and rival gangs and old enemies clash in bloody battles. Lee Do is pushed to the limits as violence hits all of Korea.
S01E0937:089. Episode 9As guns reach new hands and fear sweeps the nation, Moon Baek's message echoes through the media. Across Korea, people must choose how to respond.
S01E1041:3510. Episode 10With emotions running high, Lee Do and Moon Baek move toward a crossroads. One final choice will shape Korea's future — or plunge it into darkness.Where to stream Trigger Season 1
Subscription
Netflix
Netflix Standard with Ads
NetflixNetflix Standard with AdsAvailability provided by JustWatch via TMDB, details on TMDB. Offers in the United States, subject to change.
About season 1
Season 1 of Trigger has 10 episodes, aired from July 25, 2025 to July 25, 2025 on Netflix. Episodes run 47 minutes on average. The highest rated episode is “Episode 6” (S01E06, 8.7/10).
Frequently asked questions about Trigger Season 1
How many episodes are in Trigger Season 1?
Trigger Season 1 has 10 episodes.
When did Trigger Season 1 air?
The first episode aired on July 25, 2025 and the last one on July 25, 2025.
Where to watch Trigger Season 1 online?
In the United States, Trigger is available with a subscription on Netflix and Netflix Standard with Ads (source: JustWatch via TMDB, offers subject to change). Availability of each season depends on the platform.