"Squid Game" season two has an emotional finale followed by a scene interrupting the credits.It is the first time the series has tried something like that.Here's what it teases for the third season.Warning: major spoilers ahead for "Squid Game" season two.The highly anticipated second season of "Squid Game" is out, and it ends with a chaotic and tragic finale.Season one was a surprise hit for Netflix when in 2021, becoming a global sensation through word-of-mouth and social media trends. Netflix hopes for the same success with the second season, which debuted in the middle of the holiday season.In season one, a group of people struggling with debt signed up for a competition where they played children's games to win a fortune.What they realize too late is that the losers of the games are killed, leaving only one survivor, Seong Gi-hun (Lee Jung-Jae), Player 456.At the end of season one, Gi-hun vows to stop the deadly competition, but his plan is foiled in season two, and he finds himself competing again.Gi-hun leads a revolution against the guards in the final episode Lee Jung-jae as Seong Gi-hun and Lee Seo-hwan as Park Jung-bae in "Squid Game" season two. Dong-won Han / NohJu Han He tries to unite the contestants against the game, but they mostly insist on playing, enticed by the prize money.In the finale, this boils over into a massacre when the players who want to continue the games attack those who want to leave.Gi-hun and his allies use that chaos to overwhelm the guards and start an uprising against the game makers. But the rebels are eventually cornered and defeated. Gi-hun survives, but his best friend, Park Jung-bae (Lee Seo-hwan), Player 390, is killed in front of him by the antagonist, Hwang In-ho (Lee Byung-hun), Player 001.Gi-hun will likely seek revenge in season three, though his spirit may be broken by his failure and the loss of his close friend.The post-credit scene teases one of the next games The Young-hee in "Squid Game" season one. Netflix After Jung-bae's death, the credits for the director and cast appear on-screen.Then, a small scene shows a group of players walking into a new game room. This room includes a train signal stand, a hanging doll resembling the Young-hee doll from "Red Light, Green Light," and a boy doll facing the first.Netflix confirmed on December 31 in an Instagram post that the doll is called Chul-su.In June 2022, Hwang Dong-hyuk said in a statement teasing season two that the show will introduce "Young-hee's boyfriend, Cheol-su." Netflix appears to have renamed the character.Young-hee and Chul-su are characters from old South Korean textbooks and are well-known as best friends.Chul-su is not assigned to a specific game, but the other signs in the scene may indicate that the game is somehow related to trains.