Star Trek: Deep Space Nine: Season 5, Episode 3

5 - 3: Looking for par'Mach in All the Wrong Places

When Grilka, Quark's ex-wife, unexpectedly visits DS9, Quark asks an already smitten Worf to help him pursue his former wife. Elsewhere, O'Brien and Kira struggle with their feelings for each other now that Kira is carrying the O'Brien's unborn child.