Ed reaches the heart of the Fifth Laboratory and learns that it was used as a biological research facility for the military. There, he is nearly fooled into doing an unspeakable act. He manages to escape, but then discovers that Envy has taken Al hostage. Meanwhile, Hughes has ordered Armstrong and the others to find out what is going on in the Laboratory.
Elenco: Aaron Dismuke , Luci Christian , Laura Bailey , Wendy Powell , Megumi Toyoguchi , Lydia Mackay , Rie Kugimiya , Dameon Clarke , Eric Johnson , Colleen Clinkenbeard , Vic Mignogna , Travis Willingham , Gwendolyn Lau , Tôru Ôkawa , Jerry Jewell , Paku Romi .