Marta relates how long she was inside Laboratory Five, making its actual operational time frame longer then previously believed.
This is the first time Ed and Mustang have shared a dialogue since episode 16: "That Which is Lost".
Two characters make their last appearances for the third season, but they will return for the fourth season.
If you look closely, you can catch a glimpse of Dr. Marcoh in the scene at Lab Five.
When Ed puts on his disguise, he looks a little like Wrath.
The true cause of the Ishbal war is revealed in this episode.
The Seventh Homunculus, "Pride", is mentioned by name.
(Marta tosses a dead snake to Ed)
Marta: Eat that; they're good for you.
Ed: So then, why don't you eat it?
Marta: Please Ed, you want to turn me into a cannibal?
Sciezka: Well, am I supposed to do now?
Winry: What are you talking about? You're coming with me, Sciezka.
Sciezka: But what about all my books at home?
Winry: They'll stay home.
Marta: I may look young because of the experiments, but I'm actually old enough to be your mom.
Ed: That old?
(Marta throws a boot in Edward's face)
Ed: I mean, wow.
(Marta leaps on top of Al and proceeds to settle herself into his armor)
Al: No... not again! Ew... weird!
(Al is trying to sneak Marta some dinner inside his armor)
Hawkeye: It's all right, Al. You don't have to pretend to eat.
Al: Oh... ok.
Marta: (to herself) That's it, hag, you're dead!