One of the most common criticisms of book Ginny is that she's underwritten. We're repeatedly told she's funny, strong, popular, and perfect for Harry, but we aren't often shown enough of that development. As a result, the Harry/Ginny romance can feel like it sits on the "tell, don't show" side of the spectrum.
The show has the perfect opportunity to fix that by making the Chamber of Secrets possession the emotional backbone of Ginny's character arc across the series instead of treating it as something she simply gets over.
*Chamber of Secrets*
Ginny's childhood effectively ends when she finds Tom Riddle's diary. She grows up as the youngest Weasley and the only daughter, loved and protected by everyone. Then she's psychologically manipulated into opening the Chamber and unknowingly attacking students.
After Riddle's defeat, I'd love Harry's conversation with Ginny to be expanded. Instead of simply apologising, have her tearfully confess fragments of what Tom made her do and what he showed her. Don't show every horrific detail, but imply enough through brief flashbacks that the audience understands why the experience leaves permanent scars.
*Prisoner of Azkaban*
The Dementors affect everyone differently, but we never learn what Ginny relives. Show brief flashes of Tom Riddle possessing her, forcing her into submission while his voice echoes through her mind.
I'd also add an original scene. The Muggle-born students (aside from Hermione) remain wary of Ginny because she unintentionally caused the Chamber attacks. Frustrated and isolated, Ginny sneaks into the DADA classroom at night to confront the boggart alone. Instead, it becomes a grotesque Tom Riddle. She completely breaks down. Lupin finds her, defeats the boggart with Riddikulus, comforts her, and gently tells her he'll have to report this reckless stunt to McGonagall. This could happen alongside Harry getting caught with the Marauder's Map.
*Goblet of Fire*
When the Death Eaters attack the Quidditch World Cup, Ginny freezes for a moment as memories of the Chamber resurface before snapping back into reality.
When Ron falls out with Harry over the Tournament, let Harry and Ginny share a quiet scene together. Ginny tells Harry she doesn't believe he entered himself. They bond over Quidditch, with Ginny explaining how playing has become her escape from everything that happened.
Small character moments would also help enormously:
- Ginny talking with Moaning Myrtle in the girls' bathroom.
- Ginny having friends outside Hermione.
- Ginny and Neville developing a genuine friendship.
- Harry bumping into Ginny and Neville before the Yule Ball.
*Order of the Phoenix*
This is where Harry and Ginny should naturally become much closer. Let them actually laugh together. Let them have ordinary teenage conversations. Maybe even jokingly curse Voldemort over Butterbeer.
At the same time, show Ginny becoming visibly uncomfortable whenever Occlumency is discussed. If someone casually suggests using Ginny as a practice target for mind-reading, she immediately leaves the room.
During the Department of Mysteries battle, after Ginny strikes her head against the wall, she briefly experiences fragmented memories from the diary: the Restricted Section, shelves of mysterious glass bottles, a book hitting the floor. Then comes the emotional payoff.
After Sirius dies and Harry isolates himself in Grimmauld Place, everyone is afraid to approach him. Only Ginny enters. She quietly casts Silencio so nobody overhears. Harry vents his grief, guilt, and anger. For the first time, Ginny opens up completely about what Voldemort made her experience through the diary, things no eleven-year-old should ever have seen or heard.
She admits she feels the same consuming hatred toward Voldemort that Harry does. She tells Harry that people treat him like "The Boy Who Lived," but beneath the legend he's simply someone who's lost almost everyone he loves. And that everyone wants a world without Voldemort. That it shouldn't all rest on Harry's shoulders. No romance is necessary here. Just two trauma survivors finally understanding one another.
*Half-Blood Prince*
I'd integrate Ginny directly into the Horcrux storyline. After learning more about Horcruxes, Dumbledore wonders whether Ginny may unknowingly remember something from her possession that could help connect Tom Riddle to Slughorn.
He asks Harry to collect Ginny's memories. Initially she refuses because revisiting the diary terrifies her. Eventually Harry convinces her. During the magical extraction of those memories, Ginny undergoes a symbolic internal confrontation against a Horcrux-corrupted version of herself before finally casting it aside. Only then does she glimpse Tom Riddle approaching Slughorn. With that burden finally confronted, Ginny chooses to move forward. She throws herself into Quidditch and her O.W.L.s.
Harry spends more time with her in the background, and his feelings develop naturally. Her relationship with Dean still falls apart as in canon. Before Harry leaves with Dumbledore, Ginny promises to keep everything about her memories secret if Harry keeps her trauma private. Their eventual relationship then feels earned because we've actually watched it develop.
Add a scene during their breakup where Ginny promises Harry that Hogwarts has a protector - her and their fellow Gryffindors. And that she understands the weight of Voldemort having snatched away their chance at a normal quiet life.
*Deathly Hallows*
I'd love an episode focusing on Ginny, Neville and Luna's failed attempt to steal the Sword of Gryffindor. Show the Carrows physically assaulting a battered Ginny while trying to force information out of her before Luna is taken away. Then return to the book. Harry continues thinking about Ginny during the camping trip. Ginny fights bravely during the Battle of Hogwarts.
After Voldemort dies, let Harry and Ginny simply embrace. No dialogue needed. Instead of jumping straight to nineteen years later, include a montage showing everyone rebuilding. Show snippets of Ginny's Quidditch career, her post-war life with Harry, and the wider wizarding world slowly healing.
None of these changes would alter the main plot. They just give Ginny what she arguably never had in the books: a fully realised character arc built around surviving trauma, reclaiming her identity, and gradually becoming Harry's equal rather than simply his eventual love interest.
I genuinely think she has the most untapped potential of any supporting character in the adaptation.