Then Triton just comes and adds more of the heartwarmingness.
Triton: Just like your mother.
In her duet with her daughter, Ariel sings that when she finds Melody, she will hold her close and sing the song of the sea with her.
There's also a brief moment wherein we can see Ariel in her old grotto.
Melody's enthusiasm over being a mermaid.
Ariel and Flounder reuniting after 12 years. Followed by Flounder (with no hesitation) agreeing to help his best friend find her missing daughter.
The ending of the movie, where the mermaids and humans unite and Melody is on her way to making lots of friends - she even offers a second chance to the kids who were rude to her at her birthday party, which they accept.
The first scene: You can just feel the love Ariel has for Melody.
Baby!Melody in general. You can't stop squealing about her cuteness.
Sebastian smiling warmly at baby Melody when she holds out her arms in his direction.
Triton creating a rainbow with his trident after seeing Melody for the first time.
Triton giving Melody the locket so she'll always have a part of the sea with her.
Even though it was short, Melody's interactions with the merboy, Alex, can be described with one word: Adorkable.
When Melody realises her mother had lied to her, Morgana comforts her by saying "you're not the only one with a mother who doesn't understand you; believe me." Although Morgana is manipulating her, that's the one truthful thing she says. It's a rare Pet the Dog moment for an otherwise sadistic villain.
Tara Strong was a huge fan of the first film and lists this as her favourite role. She originally wasn't going to be the official voice for Melody; she was just brought in to read a template of what they wanted the voice to sound like. But her performance was so good, they cast her as Melody properly. Tara apparently burst into Tears of Joy when she got to meet Jodi Benson in the studio.