HBO's Baldur's Gate show will canonize one of BG3's endings
HBO is developing a Baldur's Gate TV show with The Last of Us co-creator Craig Mazin at the helm and no involvement from developer Larian Studios. The series is set after the events of Baldur's Gate 3 and will pick up where the game left off — a tricky prospect because the game can end in a number of ways.
Baldur's Gate 3 broadly has five main endings. The standard "good" ending sees the player defeat the Netherbrain, convince it to destroy itself and rid everyone of their tadpoles. The sequence ends with the player-character and surviving companions watching the sun rise over Baldur's Gate and cutscenes providing closure that depend on how companion quests were handled.
The city is shown recovering after the Netherbrain's destruction. The standard "bad" ending requires claiming the Netherbrain's power instead of destroying it, placing the player on the throne of the Absolute and commanding a cult of brainwashed victims.