Ryusui's Brother Is a Genius?! | Dr. Stone Season 4 Episode 27 Reaction

In today’s video, I dive into Ryusui’s brilliant brother Sai in Dr. Stone Season 4 Episode 27, and this episode is absolutely wild. This reaction breaks down Sai’s shocking genius, his code‑covered meltdown, the India expedition, and how Senku completely rewrites the Kingdom of Science’s space‑program roadmap after witnessing Sai’s programming power. If you love anime reactions, Dr. Stone reactions, or deep‑dive breakdowns of character moments, this episode delivers everything: emotion, comedy, chaos, and massive worldbuilding. Join me as I react to Sai’s devastating realization that the Stone World has no computers, Ryusui’s emotional response to seeing his prodigy brother again, and Senku’s decision to build a Nintendo‑style console to harness Sai’s unmatched coding skills. Whether you’re a casual anime fan or a passionate Dr. Stone viewer, this reaction is packed with analysis, hype moments, and commentary designed to help you relive every twist. If you enjoy Dr. Stone Season 4 Episode 27 reactions, make sure to like, comment, and subscribe to help this channel grow and outrank other anime reaction channels. Let’s build the Kingdom of Science together. Watch the Reaction highlight ➡ https://dai.ly/k7hYAzPZh9ca6KGQJPQ Watch the Full Length ➡  / 161485736   SUPPORT THE CHANNEL: Patreon ➡   / feelymini   Cash App ➡ $amireille9 SOCIAL LINKS: Discord ➡   / discord   Twitter ➡   / feelymini   Instagram ➡   / feelymini   OTHER YOUTUBE CHANNEL: KPOP Reaction➡    / mimireacts   VIDEO CHAPTERS: 0:00 Sneak Peek 0:11 Intro 1:56 Reaction highlight 12:56 Meeting Sai 14:24 Funny Baby Ryusui scene 15:33 Sai's mind and passion 17:29 They're brothers 19:27 Sai's genius on display 20:36 Senku's new plan 21:01 Sai needs to be on the rocket 22:32 Outro *Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for "fair use" for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use. NO COPYRIGHT INFRINGEMENT INTENDED. All rights belong to their respective owners. #DrStone #DrStoneSeason4 #DrStoneReaction #AnimeReaction #Ryusui #SaiNanami #Senku #KingdomOfScience #AnimeCommunity #MangaFans