This episode included scenes not found in the manga, such as Uryu Ishida discovering the truth about the Quincy's past in his father’s library, which helps explain his later motivations. 2. Part 2: "The Fundamental Virulence" (Episode 16 overall)
This episode focused on the desperate counterattack by the Soul Reapers after their Bankai were stolen. Bleach: Sennen Kessen-hen Episode 3
The most recent Episode 3 deals with the fallout of the Soul King's "death" at the hands of Ichigo (who was being controlled by Yhwach). BLEACH: Sennen Kessen-hen - Episode 3 discussion : r/anime This episode included scenes not found in the
3. Part 3: "Jushiro Ukitake's Sacrifice" (Episode 29 overall) The most recent Episode 3 deals with the
Kisuke Urahara sends "Hollowfied" pills to the Captains. Since Hollow power is "poison" to Quincies, it allows the Captains to forcibly take back their stolen Bankai.