Michael Cera's been crushing our dream of an Arrested Development movie recently, but it seems series creator Mitch Hurwitz kind of has his hands full anyway: His animated series Sit Down Shut Up is scheduled to air midseason on Fox, and according to The Hollywood Reporter, he's co-writing a new CBS comedy — about a family that "loves too much" — and Jason Biggs is in negotiations to star. No word on a launch date, but surely Jessica Walter will be tired of 90210 by then, right? [HR]