As a non-narrative variety show, Run BTS! doesn't have a plot to spoil in the traditional sense. Instead, its 'spoilers' are the iconic outcomes of its games and the running gags that developed over its 150+ episodes. The series finale, before a long hiatus, was Episode 155, which featured the members looking back at memorable moments from the show's history, serving as a heartfelt retrospective. They also played one last game, with the final punishment being a cliffhanger that was resolved years later in a special episode.
Key 'twists' throughout the series almost always revolve around the reveal of a secret spy or mafia member. In the 'Photo Story' episodes (118-119), V is revealed to be the spy who has been subtly sabotaging everyone's photos, a moment of masterful and hilarious deception. Another significant long-running gag is the other six members having to band together to defeat Jungkook, the 'Golden Maknae,' who is physically dominant in most games; his rare defeats are celebrated as major events. The 'betrayal' in the '77-Minute Debate' (131-132), where members constantly try to trick each other into getting soaked, is another cornerstone of the show's dynamic, proving that alliances are always temporary. Understanding these recurring dynamics—Jin's rule-bending, Suga's strategic genius, Jimin's vengeful grudges—is key to appreciating the show's layered humor, which is built on years of shared history.