On '30 Rock,' meet Kenneth's nemesis, Bryan Cranston

Bryan Cranston and Catherine O'Hara arrive tonight on "30 Rock" and .?.?. oh why tell when you can watch?

Here, a couple of clips.

First — meet mom! Kenneth's mom, and her "man-friend" Ron (Cranston) who is not well-liked by Kenneth .?.?. and second, Tina Fey spoke with Jimmy Fallon last night about the final season of this great series .?.?.

Special bonus — a third clip of Cranston talking about his guest role .?.?.