Is Hunter x Hunter (2011) episode 20 filler?
Canon No, episode 20 of Hunter x Hunter (2011) is canon.
#20
Baffling Turn × Of × Events
フカカイ×ナ×テンカイ
Aired 19 Feb 2012
Canon No, episode 20 of Hunter x Hunter (2011) is canon.
#20
Baffling Turn × Of × Events
フカカイ×ナ×テンカイ
Aired 19 Feb 2012