What a weird, strange journey it's been this season on Weeds . Between pregnancies, marriages, assassinations, overdoses, teenage STDs, and thievery, Season Five of Showtime's dark comedy Weeds has been a sometimes bizarre and uneven mix of shifting timeframes, over the top characters, and increasingly complicated inter-personal relationships. (Hell, you almost need a flowchart to keep track of the vagaries of the Nancy/Esteban/Andy/Audra storyline this season.) Last night's season finale of Weeds ("All About My Mom"), written by series creator Jenji Kohan, looked not to shift the action elsewhere but to create a new status quo all the same that would switch up the characters, their motivations, and their state of mind. And it did so with one hell of a croquet mallet swing. Yes, I'm referring to that final scene in the season finale, a.k.a. the mallet swing heard round the world as the insidious Pilar (Kate del Castillo) threatened to have Nancy's "