Depending on which series or "Cour" you are referring to, covers vastly different parts of the story. Bleach (Original Series) - Episode 4: " Cursed Parakeet "
In the classic 2004 series, Episode 4 focuses on world-building and character development for Ichigo's friend, Chad. Watch Bleach - 004
: This episode is most famous for the scene where several Captains—including Byakuya Kuchiki and Toshiro Hitsugaya—attempt to use their Bankai, only to have them stolen by the Sternritters using "Medallions". Depending on which series or "Cour" you are