is bleach episode 37 filler?

In the Eighth Division compound, an energy blast from Yasutora Sado's Fullbring, Brazo Derecha de Gigante, blows a large hole in a wall, sending several unseated Shinigami flying through it in the process. As he walks through the hole and along the trench gouged into the ground, Sado finds himself confronted by 8th Division 3rd Seat Tatsufusa Enjōji, who declares that Sado has gone far enough and introduces himself before proclaiming that this road is a dead end for Sado with him here.