Sérgio Sacani is a Brazilian science communicator best known for explaining astronomy and space news in an accessible, enthusiastic style, and “olha isso” is one of his most recognisable spoken reactions. The short phrase has travelled beyond science videos into Brazilian meme and gaming culture, where editors reuse it as a quick, familiar way to flag something worth noticing. Its popularity in Minecraft edits and reaction videos shows how a creator’s catchphrase can become shorthand for surprise, even for viewers who have never watched a full science episode.
About this sound
Sergio Sacani saying olha isso, a Portuguese reaction clip used by Brazilian creators to point out something surprising or impressive in videos and streams.
This is a 13-second voice clip of Brazilian science communicator Sérgio Sacani exclaiming “olha isso,” which means “look at this” in Portuguese. His voice is enthusiastic and slightly incredulous, rising as he draws attention to something he has just seen, so it lands like an excited tap on the shoulder for the viewer. The phrase is short, instantly recognisable to Brazilian audiences, and easy to drop over a reveal, a surprising discovery or an unexpected twist. It turns a quiet moment into a shared reaction, making the audience feel as if Sacani himself is pointing at the screen beside them.
