On tonight's episode of Desperate Housewives, Katherine (Dana Delaney) is back and actually goes home. She meets with her psychiatrist and while her medications are doing their thing, she doesn't quite like the person that she's become. Meanwhile, Gaby (Eva Longoria-Parker) and Susan (Teri Hatcher) bond on a different level, when their kids Juanita and MJ find themselves in the slow math group at school - or not exactly, because they have no idea what the groupings are.

Elsewhere on "How About a Friendly Shrink" Orson's (Kyle MacLachlan) physical therapist isn't very pleased that he is unable to get support from Bree (Marcia Cross). But let's face it, wheelchair-bound Orson can be an enormous prick / no fun at all. So they deserve each other, kind of. Finally, Tom's psychotherapist has a confrontation with Lynette (Felicity Huffman). Apparently, he's taking things way too seriously.