This episode focuses on the relationship between , her sister Maud Pie , and their friend Starlight Glimmer .
: After Maud Pie graduates with her "Rocktorate," Pinkie Pie is determined to convince her to move to Ponyville. However, Pinkie's overly aggressive attempts to make Ponyville "fun" for Maud almost drive her away.
: The team investigates a murder linked to a counterfeit diamond operation. [S7E4] Pink Rocks
While titled " Black Market " in the final release, this episode's early development title was .
: Pinkie Pie struggles to understand that Maud's version of fun—studying rocks in quiet caves—is different from her own high-energy lifestyle. This episode focuses on the relationship between ,
: This episode is notable among fans for the return of Jane's signature vest. Black Market | The Mentalist Wiki | Fandom
The title "Pink Rocks" was also a working title for The Mentalist episode " Black Market " (Season 7, Episode 4) before it was officially changed. My Little Pony: " Rock Solid Friendship " (S7E4) : The team investigates a murder linked to
: With help from Starlight Glimmer, who shares a genuine interest in rocks with Maud, Pinkie learns to respect her sister's boundaries. Maud eventually decides to move into a cavern near Ponyville on her own terms. The Mentalist: "Black Market " (S7E4)