It's Halloween on Essex campus! Before they can party, Kimberly tries to impress her professor, Whitney has a weird workout at the gym, Bela gets creative to keep Taylor from hanging around too much, and Lila hunts down a hottie.

As things become more serious with Cooper, Kacey decides to secretly put him through The Good Partner Test. Intrigued, Bela, Whitney and Kimberly decide to test the people they're dating, too.