is bleach episode 46 filler?

Having broken out of his cell by force, 6th Division Lieutenant Renji Abarai runs through the Seireitei in the middle of the night while 3rd Division Captain Gin Ichimaru walks across a bridge with his lieutenant, Izuru Kira, after getting him out of his cell. Meanwhile, as she sits in her cell and looks at the moon through the bars of the sole window on the wall, 5th Division Lieutenant Momo Hinamori tearfully thinks of her captain, Sousuke Aizen, smiling at her in front of a body of water illuminated by a full moon.