Is Fullmetal Alchemist: Brotherhood episode 48 filler?
Canon No, episode 48 of Fullmetal Alchemist: Brotherhood is canon.
#48
The Oath in the Tunnel
地下道の誓い
Aired 14 Mar 2010
Canon No, episode 48 of Fullmetal Alchemist: Brotherhood is canon.
#48
The Oath in the Tunnel
地下道の誓い
Aired 14 Mar 2010