Episode 21: The Red Glow (2003 series)

Synopsis
Scar, Lust, Gluttony, and Greed are zeroing in on Laboratory Five -- but the biggest threat to Ed may be his own morality when he's tempted with the power he's sought for so long.

Trivia and See Also

 * This episode is adapted from content in Chapter 12: Definition of Human and Chapter 13: Fullmetal Body.
 * Episode 8: The Fifth Laboratory (2009 series)