is bleach episode 19 filler?

In the Sixth Division prison ward in the Seireitei, a stunned Lieutenant Renji Abarai grips the bars of Rukia Kuchiki's cell and expresses disbelief at what Captain Byakuya Kuchiki just said, prompting Byakuya to assert Renji heard him and he should not have to repeat himself before reiterating that Rukia has been found guilty.