Like most anime movies, Bleach's films are generally considered noncanonical to the storyline of the anime, with one possible exception.That means it's not necessary to watch them to understand ...

Kusaka: Defeat him and D-Roy in Bleach Tower, stage 23, in 5 turns or less. Nakeem: Do "Renji's Cooperation" in free time, or beat him in Bleach Tower, Level 9: Renji Abarai: ...