Ramona reappeared in the Season 10 finale, while Amy is away at Princeton, and the gang becomes worried for Sheldon because Ramona's crush on him happens again.
Ramona reappeared in the Season 10 finale where she now has a Ph.D. and works at Calthech, doing research. While Amy is away at Princeton, and the gang becomes worried for Sheldon because Ramona's crush on him happens again.