A familiar expression. (NBC)

Updated January 7, 2010:

Here's a sneak peek at James Franco's appearance on "30 Rock," which airs on January 14.

Do you prefer his comedic or menacing side? Tell Soaps.com what you think below.

Updated January 5, 2010:

Details on James Franco's appearance on "30 Rock" have been revealed.

Playing himself, James tries to cover up an embarrassing secret by creating a fake romance with Jenna, played by Jane Krakowski.

As these photos indicate, he also has some interesting scenes with Tina Fey's Liz and seems to have an affinity for mix and match pajamas and Anime body pillows.

Tune in to "30 Rock" on January 14 to find out what's these photos are all about.

In case you missed his appearance on "Saturday Night Live," check out his monologue where he mentions his time on General Hospital.

Originally posted December 1, 2009:

James Franco (Franco) jumps from the drama of General Hospital to the comedy of two NBC TV shows.

On December 19, the actor will host "Saturday Night Live" with musical guest Muse.

Then, on a yet to be announced date, Franco will appear on "30 Rock," where he will play himself in a storyline involving a fake relationship with Jenna (played by Jane Krakowski) created by their agents.

Do you prefer James in a comedic or dramatic role? Tell Soaps.com what you think, and guess what... there's going to be another soap actor on "30 Rock" soon. Check out Betty White to Appear on 30 Rock and in You Again.