- Barb's love for her dad, King Thrash.
- Barb sings "Crazy Train", which in real life is a song by Ozzy Osbourne, who voices her dad. Meaning it's a song Barb learned from him.
- Barb is also good with kids taking time to interact with younger trolls and letting a kid play guitar with her.
- Despite her actions, Barb is shown to be utterly adored by her people.
- The bond between Cooper and his fellow Funk Troll family.
- Hickory trying to help Poppy.
- Branch saving Poppy from becoming a rock zombie.
- Queen Poppy and Queen Barb becoming friends at the end of the movie and Barb announcing to Carol (her other friend) that they now have a girl group.
- It is also heartwarming because Carol accepts the girl group idea with excitement especially after spending the whole movie as a seemingly apathetic Rock Troll.
- The sheer joy Queen Barb has when she immediately accepts Queen Poppy's friends invitation.
- Poppy and Branch confessing their love for each other by the end of the movie!Poppy: Branch, I love that we're different!
Branch: And I love you, Queen Poppy.
Poppy: I love you too, Branch.
Heartwarming / Trolls: World Tour