is one piece episode 424 filler?

As more Blugoris give chase, Luffy knocks out some with a Gum-Gum Whip. Buggy fakes a crybaby fit then takes a guard by surprise with Chop-Chop Quick Escape and knocks the guard down with Aerial Topspin Big Top.

The guard gets back up but is then knocked down again by Luffy. This leaves the clown pirate is shock.

Buggy explains the Blugoris or Blue Gorillas are very tough fighters, but Luffy already had beaten them. A guard is informed that one of the escapees is with Luffy and have beaten the Blugoris.