Thanks to DVD Empire. They listed February as the final two volumes of Bandai Entertainment's Code Geass: Lelouch of the Rebellion.
These episodes contain 18-25 respectively on vol. 5 & 6. Which the site lists. Here's the synopsis
Despite his status as an Eleven, Suzaku Kururugi has been granted the title "Knight of Honor" by Princess Euphemia. Fearing that others might follow Suzaku's example of living peacefully within the Empire, Zero and his Order of Black Knights devise a trap for the Lancelot. While Euphemia and her entourage attend a welcoming ceremony during the arrival of a Britannian aristocrat, the Black Knights stage a surprise attack. With the Lancelot surrounded by enemy forces, Suzaku receives an order from the arriving aristocrat to maintain position in an effort to trap Zero in a fiery barrage, at the risk of losing his own life. Will Suzaku sacrifice himself despite Euphemia's objections?
These episodes contain 18-25 respectively on vol. 5 & 6. Which the site lists. Here's the synopsis
Despite his status as an Eleven, Suzaku Kururugi has been granted the title "Knight of Honor" by Princess Euphemia. Fearing that others might follow Suzaku's example of living peacefully within the Empire, Zero and his Order of Black Knights devise a trap for the Lancelot. While Euphemia and her entourage attend a welcoming ceremony during the arrival of a Britannian aristocrat, the Black Knights stage a surprise attack. With the Lancelot surrounded by enemy forces, Suzaku receives an order from the arriving aristocrat to maintain position in an effort to trap Zero in a fiery barrage, at the risk of losing his own life. Will Suzaku sacrifice himself despite Euphemia's objections?