Heart of Steel (S01E23)

S01E01 Those Who Challenge the Sun S01E02 Body of the Sanctioned S01E03 Mother S01E04 A Forger's Love S01E05 The Man with the Mechanical Arm S01E06 The Alchemy Exam S01E07 Night of the Chimera's Cry S01E08 The Philosopher's Stone S01E09 Be Thou for the People S01E10 The Phantom Thief S01E11 The Other Brothers Elric (1) S01E12 The Other Brothers Elric (2) S01E13 Fullmetal vs. Flame S01E14 Destruction's Right Hand S01E15 The Ishbal Massacre S01E16 That Which Is Lost S01E17 House of the Waiting Family S01E18 Marcoh's Notes S01E19 The Truth Behind Truths S01E20 Soul of the Guardian S01E21 The Red Glow S01E22 Created Human S01E23 Heart of Steel S01E24 Bonding Memories S01E25 Words of Farewell S01E26 Her Reason S01E27 Teacher S01E28 All is One, One is All S01E29 The Untainted Child S01E30 Assault on South Headquarters S01E31 Sin S01E32 Dante of the Deep Forest S01E33 Al, Captured S01E34 Theory of Avarice S01E35 Reunion of the Fallen S01E36 The Sinner Within S01E37 The Flame Alchemist, The Bachelor Lieutenant & The Mystery of Warehouse 13 S01E38 With the River's Flow S01E39 Secret of Ishbal S01E40 The Scar S01E41 Holy Mother S01E42 His Name Is Unknown S01E43 The Stray Dog S01E44 Hohenheim of Light S01E45 A Rotted Heart S01E46 Human Transmutation S01E47 Sealing the Homunculus S01E48 Goodbye S01E49 The Other Side of the Gate S01E50 Death S01E51 Laws and Promises