Episode 12, "The Other Elric Brothers (Part 2)"
*****SPOILERS*****
Synopsis: Mugear, who oversees the fake Elric brothers’ work, reveals that he knows their identities and plans to force them to finish making a Philosopher’s Stone in an unethical practice. Edward and Alphonse pretend to want to work for him, but release the Tringhams. They all confront Mugear who uses the lesser stones to attack them. Mugear ends up dying in a cave in where the red water is kept and the Tringhams help stop the flood of the water. Ed and Al continue on their way.