So while the show -- a soapy, backstage drama about the making of a Broadway musical -- won't premiere until Monday, Feb. 6, you can watch it right here, right now.
All done? Now tell us what you think! Who should play Marilyn — experienced Broadway gal Ivy (Megan Hilty) or unpolished ingenue Karen (Katharine McPhee)? Are you interested in a musical about Monroe? What is up with Tom's sneaky assistant? Thoughts on the original song that closed the show ("Let Me Be Your Star")? Is there room for both Smash and Glee on your DVR? Hit the comments below!
And take our poll: