It seems that the Emmy-winning Best Drama and Best Comedy series' are heading for a cross-over, of sorts. According to Entertainment Weekly, Mad Men star Jon Hamm is in talks to guest star in a multiple-episode arc on 30 Rock.

The deal isn't sealed quite yet, but apparently it's in motion. Hamm would play a new neighbor and new love interest to Tina Fey's Liz Lemon character. Hamm recently hosted an episode of NBC's Saturday Night Live.

We'll keep you posted on any developments surrounding this big story.