Fall TV 2012 Returning Shows: What to expect

Premieres: Sunday, Sept. 30 at 8:30 p.m.

Expect to see: This season brings a boatload of big-time guest stars like Jon Hamm as a talking toilet, Kevin Kline as the weird landlord with the eyepatch, Zach Galifianakis, Nick Offerman, Megan Mullally and Will Forte.

-- Jen Harper, Zap2it