is one piece episode 375 filler?

Usopp, Nami, Chopper, and Franky cry in terror as Luffy, Zoro and Sanji are vaporizing by the sunlight. Lola also begins to disintegrate.

On another ship in the Grand Line, the captain insists on sleeping more, but one of his crewmates points out that his shadow has returned to him. The captain runs out of his bed and is elated to see how his own shadow has returned to him and so are his crew.

The crew wonders if someone has defeated Moria. On a Marine ship, a Marine is delighted to have his shadow back.

More pirates and civilians express joy of having their shadows return to them.