Inside the Belly
Dr Marco is in the custody of the homunculi, and has to cooperate in exchange for his village's safety. Meanwhile, Ed, Al and Roy try to escape from Gluttony, who has become able to swallow anything in his sights. After losing him, Roy and the others leave to safety whilst Ed, Al and Lin stay to fight. Envy arrives to stop Gluttony from harming Ed and Al. Hearing this, Ed and Al face Gluttony whilst Lin faces against Envy. After some struggles on both ends, Gluttony ends up accidentally swallowing Ed, Lin and Envy. Roy goes to a meeting and ends up confronting Bradley and realizing what Hughes meant. Ed wakes up in a strange room, covered in blood.
Aired 20/09/2009EP 24 - Inside the Belly
Fullmetal Alchemist: Brotherhood
"In order for something to be obtained, something of equal value must be lost."
Alchemy is bound by this Law of Equivalent Exchange—something the young brothers Edward and Alphonse Elric only realize after attempting human transmutation: the one forbidden act of alchemy. They pay a terrible price for their transgression—Edward loses his left leg, Alphonse his physical body. It is only by the desperate sacrifice of Edward's right arm that he is able to affix Alphonse's soul to a suit of armor. Devastated and alone, it is the hope that they would both eventually return to their original bodies that gives Edward the inspiration to obtain metal limbs called "automail" and become a state alchemist, the Fullmetal Alchemist.
Three years of searching later, the brothers seek the Philosopher's Stone, a mythical relic that allows an alchemist to overcome the Law of Equivalent Exchange. Even with military allies Colonel Roy Mustang, Lieutenant Riza Hawkeye, and Lieutenant Colonel Maes Hughes on their side, the brothers find themselves caught up in a nationwide conspiracy that leads them not only to the true nature of the elusive Philosopher's Stone, but their country's murky history as well. In between finding a serial killer and racing against time, Edward and Alphonse must ask themselves if what they are doing will make them human again... or take away their humanity.
(Source: MAL Rewrite)