DS9 s5e3 "Looking for par'Mach in All the Wrong Places"

In a crazy twist, DS9 reveals that Dax and Worf...aren't already messing around? And in another crazy twist - O'Brien and prego Kira are super hot for each other? But you know pervy Bashir is gonna - sit on the sidelines and comment? Welcome to Weird Space 9!
[Episode discussion begins around 1:09]