Ed and Al furiously battle the Fifth Laboratory's psychotic guards. In the chaos, the truth behind the Philosopher's Stone is buried beneath rubble – and disturbing new questions are unearthed. This episode marks the assumed death of Envy and the debut of The Knight Of Alchemy.
|The Knight of Alchemy|
|Season 2, Episode 8|
|Air date|| May 24, 2009 (Japan)
April 4, 2010 (US)