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After a marathon of alien films in his basement, Tom notices some strange sounds and lights coming from upstairs.
It shares its release window with Avatar Aang: The Last Airbender, so expect the two fanbases to be reacting side by side.
Upstairs opens in theaters on July 23, 2026.
Loïc Cárdenas directs.
On screen, it is Gabriel De la Garza carrying the story. Gabriel De la Garza plays Tom.
The best sci-fi trailers plant one image you cannot stop thinking about. Record the second it lands.
A trailer reaction filmed in the first week does more for opening weekend buzz than one filmed after. Get in early.
Reaction clips for Upstairs 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/upstairs, 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.
Upstairs is scheduled to open in US theaters on July 23, 2026. Dates can shift, so check back for updates.
Gabriel De la Garza lead the cast, directed by Loïc Cárdenas.
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 Upstairs trailer, hit record on camera or voice only, and the clip is yours to post.
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