- Isn't Henrietta the cutest little killing machine you've ever seen? Awwwww...
- "We don't have to talk about love. We're fratello."
- Hilshire's rescue of Triela in chapter 80, waking her up from her dream.Triela: It was such a beautiful place... why did you come back? You came back for me... You're such a stupid, stupid man... but I'm so happy...
- The first season's ending where most of the girls watch a meteor shower while singing "Ode to Joy."
- The opening, when Henrietta smiles and jumps toward the sky. You really have to see it for yourself.
- Olga fantasizing about eloping with the girls and turning them in a ballerina troop.
- When Marco and Jose go to visit Angelica's distant relatives in order to retrieve her childhood dog, they meet her cousin Ricardo, who received a new prosthetic leg from the government that was only possible due to the data collected from the cyborgs' implants. Although the girls are going through a lot of pain in their new lives, they're also helping people simply by existing and being researched.
Heartwarming / Gunslinger Girl