Ep 8. The Fifth Laboratory

Ed and Al find out that their father's research may be hidden away in the Fifth Laboratory, a secret facility run by the military. They are tasked with retrieving the research, but they soon discover that the laboratory is more dangerous than they could have imagined.

Upon arriving at the laboratory, Ed and Al encounter a group of strange monsters that seem to be the result of failed human transmutations. These creatures attack the brothers, forcing them to use their alchemy to fend them off.

As they explore deeper into the laboratory, Ed and Al encounter a young girl named Nina who has been created using chimeric alchemy - a forbidden technique that involves combining multiple living beings into a single entity. Nina is sweet and innocent, but there is something unsettling about her appearance that makes Ed and Al suspicious.

The brothers soon discover that the true purpose of the Fifth Laboratory is to create powerful chimeras for use in the military. The researchers in the facility have been experimenting on innocent people, including children, in order to create these abominations. Ed and Al are horrified by what they see, but they know that they must complete their mission.

As they search for their father's research, Ed and Al uncover the dark secrets of the Fifth Laboratory. They learn that the researchers have been sacrificing human lives in order to create powerful chimeras that can be used as weapons in war. The brothers are appalled by what they have seen, and they vow to bring the truth to light.

The episode ends with Ed and Al finally discovering their father's research hidden away in the laboratory. However, they are quickly surrounded by the military and are forced to fight their way out. The brothers use their alchemy to defeat the soldiers, but they know that their actions have put them on the military's radar.

The Fifth Laboratory is a tense and action-packed episode that explores the dark consequences of human transmutation. Ed and Al are forced to confront the horrifying reality of what can happen when alchemy is used for the wrong reasons. The episode sets the stage for future confrontations between the brothers and the military, as they continue their quest for the Philosopher's Stone and search for the truth about what happened to their father.