Heartwarming / The Life and Times of Scrooge McDuck
The endings of The Richest Duck in the World and The Dream of a Lifetime.
It wavers between this and Tear Jerker with Goldie, who in later Don Rosa stories is revealed to still be waiting for Scrooge, even as an old woman.
Scrooge as well, in his old days is often shown simply sitting idly by and stare fondly at the lock of Goldie's hair that he still has. The story of The Prisoner of White Agony Creek is framed by Donald and his nephews arguing over which is Scrooge's most prized possession, like the Number One Dime and the goose egg nugget, all symbols of his wealth in one way or another. At the end of the story, the four of them decide to ask Scrooge directly whether any of those is his favorite. He simply takes another look at the lock of Goldie's hair, turns to them and says "No", implying that the thing he prizes the most in the world is the only memento he still has of the only woman Scrooge ever loved.
A Letter from Home: Well. Whaddya know. The old curmudgeon does have feelings. And he manages to reestablish a bond with his estranged sister, and admit both to himself and her that he considered Donald the wealthy one, simply because he has a real family.
Notably, what convinces Matilda to forgive him is that he leaps in to take a bullet for her.
Though there's a certain amount of spookiness since they are ghosts, the fact that the McDucks of the past are still watching over their descendants to make sure they're doing well is nice to see. Sir Quackly especially serves as something of a helper or mentor to Scrooge and is directly responsible for giving Scrooge the idea to go to America and work on his Uncle Pothole's riverboat, which of course is what eventually led him to becoming the richest duck in the world.
The first time that anyone is able to understand a word Hortense says is when she's saying goodbye to Scrooge before he leaves to start travelling the world at the end of The Last of the Clan McDuck.
The Dream of a Lifetime: Sure, it's just a dream, but it's really heartwarming to see how happy Scrooge and Goldie are to see each other and immediately hold hands when they reunite. Serves to show how in love they would have acted in real life had they just rid themselves of their Jerkass Fašade. It's also very likely that what happened for "real" Scrooge to cry Tears of Joy was that he dreamed about the two of them kissing, or simply declaring their love for each other.
The music video for ''A Lifetime of Adventure'' off of the soundtrack album. The video shows Don Rosa working on the art for the cover of the album, and he looks so darn ecstatic to be working on this project. This was the first time (2014) he'd done commercial-level art since his last Duck story in 2006.
Also, when Don Rosa first heard samples from the album, he cried from joy.