Fullmetal Alchemist Episode 51

Laws and Promises

The battle between Mustang and Pride takes a surprising turn when help is received from an unexpected source. Outside the compound, Hawkeye meets up against Archer as she and the Bradleys are being taken to Central. Everything the Elrics have worked towards comes to a climax, as Ed and Al both make extreme sacrifices and the term "Equivalent Exchange" takes on a whole new meaning.