This episode confirms that Al’s body was not destroyed but is being "stored" at the Gate, sustained by the toll Edward paid.
As Edward is being pulled back through his own Portal to the physical world, he punches through the closing doors of Truth and screams out to his brother's body. This is one of the most iconic moments in the series: Fullmetal Alchemist: Brotherhood (Dub) Episode 26
The episode follows Edward, Ling Yao, and Envy as they attempt to escape the endless void within Gluttony’s stomach. By performing a human transmutation on himself, Ed manages to open the Portal of Truth. This episode confirms that Al’s body was not