Ep 21. Turn 21 - The Ragnarok Connection

Code Geass: Lelouch of the Rebellion season 2 episode 21, Turn 21 - The Ragnarok Connection, follows Lelouch as he tries to stop the Ragnarok Connection from happening. After Lelouch successfully takes control of the Damocles, Schneizel reveals his plan to create a collective consciousness using the Thought Elevator, which will allow him to control the world. Lelouch and Suzaku team up to stop this plan, but they soon realize that it may not be possible to prevent it.

Meanwhile, the Black Knights are battling against the Knights of the Round in a fierce fight. Kallen and Gino engage in a personal battle, while Anya attacks Lloyd's ship. The battle seems to be going well for the Black Knights, but they are soon distracted by the appearance of the Thought Elevator. Lelouch contacts them and explains Schneizel's plan, asking for their help in stopping it.

Lelouch and Suzaku head towards the Thought Elevator, but they are too late to stop Schneizel from activating it. They are sucked into the collective consciousness and are forced to confront their past sins and regrets. As they try to find a way out, they encounter several familiar figures from their past. Suzaku is faced with the ghost of Euphemia, while Lelouch confronts his mother, Marianne.

As they continue to explore the collective consciousness, they learn more about the true purpose of the Ragnarok Connection. Schneizel believes that creating a collective consciousness will end all conflict and bring about world peace. However, Lelouch realizes that this is not true peace, as it will mean giving up individuality and free will.

Lelouch and Suzaku eventually find a way to escape the collective consciousness and return to the real world. They confront Schneizel and try to convince him to abandon his plan, but he refuses. In a final showdown, Lelouch uses his Geass to force Schneizel to see the truth about his plan.

The episode ends with Lelouch and Suzaku returning to the Black Knights, where they are hailed as heroes. However, Lelouch is still keeping his true motives a secret, and it remains to be seen what his ultimate endgame is.

Overall, Turn 21 - The Ragnarok Connection is an action-packed episode with plenty of intense battles and emotional moments. It also delves deeper into the show's themes of free will and the true nature of peace. The episode sets the stage for the series' epic finale, which promises to be a thrilling and emotional ride.