Gearbox Software has officially revealed that the Borderlands 4 story trailer is on its way. Set for tomorrow, fans can tune in to check out an all-new plot taking place on the new planet of Kairos, which is the latest setting for players to explore in 2K's upcoming looter-shooter. What new adventures await the Vault Hunters, and what motives will the new bad guy boast?Here's everything to know about the upcoming story trailer reveal for the next mainline Borderlands entry, including timings and where to watch. Read on to know more.Also Read: Borderlands 4 Collector's Edition is the priciest version and comes with a caveatBorderlands 4 story trailer reveal date and timingsHere's when the livestream airs for fans around the globe:Pacific Time (PT): June 21, 2025, at 12:45 pmMountain Time (MT): June 21, 2025, at 1:45 pmCentral Time (CT): June 21, 2025, at 2:45 pmEastern Time (ET): June 21, 2025, at 3:45 pmBritish Standard Time (BST): June 21, 2025, at 8:45 pmCentral European Summer Time (CEST): June 21, 2025, at 9:45 pmMoscow Standard Time (MSK): June 21, 2025, at 10:45 pmIndian Standard Time (IST): June 22, 2025, at 1:15 amChina Standard Time (CST): June 22, 2025, at 3:45 amJapan Standard Time (JST): June 22, 2025, at 4:45 amAustralian Eastern Standard Time (AEST): June 22, 2025, at 5:45 amNew Zealand Standard Time (NZST): June 22, 2025, at 7:45 amWhere to watch the Borderlands 4 story trailer reveal?Interestingly, it seems like the debut story trailer for the game will only air on the official Borderlands Twitch account and not on other platforms like YouTube. Fans can visit the link when it's time to watch the livestream to learn more about the new game and what's in store.As per the official tweet, fans should expect the traditional Borderlands chaos, with new loot, bosses, and mayhem. Furthermore, returning characters from past games will also make an appearance, including Mad Moxxi.Read More: All returning characters confirmed in Borderlands 4 so farThe game officially launches on September 12, 2025, for PC, PS5, and Xbox Series X|S platforms. A Nintendo Switch 2 version is also planned for a 2025 launch.