Back with the Ex

Emotions run high as the former couples reunite for first dates, and "ex-pectations" are tested during an evening of alluring temptations.

After Erik and Lauren embrace a surprising twist, the exes prepare for a new slate of dates and revisit their sweet beginnings -- and somber endings.

A radical roommate exercise leads to a string of emotional letters. Peter shares a troubling secret with Diane. Jeremy faces his toughest critics.