Ep 18. Friends with Benefits

Grace has to adjust to having a new TA, now that Tom is no longer around. Grace meets up with an old collegue, but is scared that he'll find out about her affair with Tom. Jack disapproves with Bobby wanting to join the track team. Meanwhile, Jack learns that his relationship with Katie wasn't what he thought it was, and is suprised to learn that Marcus and Courtney may have feelings for each other. Lastly, Missy talks to Jack and reveals some startling news.