July 8, 2026 is the date. The trailer is the preview. Your reaction is the content.
Free · no editing · camera or voice only · the clip is yours to post
Studios fund bonuses on titles they want reactions for. Raising your hand tells them you are in. No commitment, no promise of payment.
A dying merman asks a friend to give his remains to his daughter, hiding amongst the humans. Tasked with this dangerous journey, the merman secretly heads to the land of humans. He is chased by a new civil servant recruit fueled by curiosity and hatred.
It shares its release window with Moana, so expect the two fanbases to be reacting side by side.
It hits the big screen on July 8, 2026.
On screen, it is Yeon Ye-ji, Kim Pureum and Goh-Woo carrying the story. Yeon Ye-ji plays Mia.
Moonstone Pictures, Seesaw Pictures and Essential Filmproduktion are behind the production. Park Sye-young is in the director’s chair. It clocks in at 1 hour 24 minutes.
Fantasy trailers sell a world in two minutes. The moment it clicks for you is the moment worth keeping.
By opening weekend everyone will have a take. The reactions that matter are the ones recorded before the takes calcify.
Reaction clips for The Fin will appear here as Reactors share them. The Reactr recorder is free for creators: watch the trailer, record on camera or voice only, and the finished clip is yours to post on your own TikTok, Reels, or Shorts channel.
Record the first reaction →Open the reaction recorder on your phone at reactr.gg/studio/the-fin, choose camera or voice only, and press record while the trailer plays. Reactr captures your reaction and gives you a share-ready clip when the trailer ends. It is free.
No. Voice Reaction mode records your commentary with the microphone only: the camera stays off, no face is recorded, and you still get a share-ready clip for your channel.
The Fin is scheduled to open in US theaters on July 8, 2026. Dates can shift, so check back for updates.
Yeon Ye-ji, Kim Pureum, Goh-Woo, Jeong Young-do and Maeng Joo-one lead the cast, directed by Park Sye-young.
Yes. Recording reaction clips on Reactr is free, with no paywall on the finished clip. You own your clip and can post it to TikTok, Reels, Shorts, or anywhere else. Reactr makes money from studios and sponsors, not from creators.
Watch the The Fin trailer, hit record on camera or voice only, and the clip is yours to post.
React to The Fin →