In the Steven Universe episode (Season 4, Episode 14), Steven and the Crystal Gems conclude their rescue mission to Pink Diamond’s Zoo to retrieve Greg. Plot Summary
After the Diamonds leave, the group is caught by Holly Blue Agate . However, the "Famethyst" (the Earth-born Amethysts) refuse to help her, allowing the Crystal Gems to defeat her and escape.
It provides deep characterization for the Diamonds, showing that even the seemingly cold Yellow Diamond is struggling with the loss of Pink. [S4E14] That Will Be All
Yellow Diamond performs this signature song, accompanied by Yellow and Blue Pearl, to persuade Blue Diamond to abandon her grief and resume her duties as a leader.
It is revealed that all Rose Quartzes have been bubbled and kept in Pink Diamond's Zoo since the rebellion because they are the same Gem type as the "murderer" of Pink Diamond. In the Steven Universe episode (Season 4, Episode
While attempting to escape, Steven and Greg find themselves in a room filled with thousands of bubbled Rose Quartzes.
The episode establishes that Amethyst has a "geological family" of Quartzes from Earth who share her boisterous personality and do not strictly follow Homeworld's rigid rules. It provides deep characterization for the Diamonds, showing
They are forced to hide when Blue Diamond and Yellow Diamond enter. The scene reveals their contrasting ways of grieving Pink Diamond: Blue remains in perpetual mourning, while Yellow wants to destroy everything related to Pink to move on.