Ep 3. Your Cheatin' Heart

On the eve of a friends wedding, Rich begins to act strange as he and Dana prepare to attend. Rich's behavior has Karen convinced that he's cheating on Dana, an idea that draws her and Al into tailing their sisters boyfriend. But the discovery they make is not at all what they first conclude.

Meanwhile, a horny Frank and Carol desperately try to find a moment alone to do...the "toe to toe tango", but find it nearly impossible.