is one piece episode 289 filler?

Now recharged, Franky launches Fukurou through a wall, with a Strong Hammer punch, amazing Chopper. However, the zipper-mouth agent is not down yet, giving rise to Franky using his Franky Destroyer Cannons.

Escaping, Fukurou uses Soru, and tries to ambush Franky, only for Chopper to reveal his location. Angered, Fukurou forces himself and Franky out into the ocean, leaving Chopper unable to help out, due to his Devil Fruit side effects.

However, Chopper ends up having more important things to deal with, as Kumadori releases himself from the fridge.