is bleach episode 99 filler?

Outside the White Road Gate of the Seireiheki encircling the Seireitei, Jidanbō Ikkanzaka lies defeated on the ground as villagers from the Rukongai ready a siege engine at the gate behind him. With an announcer within the Seireitei warning the Gotei 13 to move to their defensive positions in order to stop the rioters gathered outside, Tōba stands with Jin Kariya, Gō Koga, and Sawatari as he sternly orders the villagers to get ready.

At the Black Ridge Gate, Danzōmaru lies unconscious on his back while Yoshi and Mabashi oversee another group of villagers with a second siege engine preparing to open the gate as well.