02/08/2012 (08:00PM - 08:30PM) (Wednesday) : BACK TOGETHER - HAYES MACARTHUR ('PERFECT COUPLES') GUEST STARS - Whitney (Whitney Cummings) is shocked to discover that Roxanne's (Rhea Seehorn) ex-husband Lance (Hayes MacArthur) is back in town. Whitney tries to dig up dirt on Lance so that she can convince Roxanne that he is not a changed man, but instead ends up with a surprise of her own. Meanwhile, Neal (Maulik Pancholy) encounters some racism with one of his work colleagues, but isn't sure how to handle the situation. Elsewhere, Lily (Zoe Lister-Jones) doesn't want to tell Neal that she lost her engagement ring and begins frantically searching everywhere for it. Chris D'Elia and Dan O'Brien also star.