Rocks | [s7e4] Pink

: 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 is notable among fans for the return of Jane's signature vest. Black Market | The Mentalist Wiki | Fandom [S7E4] Pink Rocks

: 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. : Pinkie Pie struggles to understand that Maud's