Consider this the most important episode of The Good Wife that you’ve seen all season.

The Good Wife Season 4 finale. Photo: David M. Russell/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved

The Good Wife Season 4 finale. Photo: David M. Russell/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved

Why? Because it’s the last one of the season! This is the season finale for The Good Wife season 4, alas!

Is The Good Wife new tonight? It is, with the episode “What’s In The Box?” It airs tonight, Sunday April 28 2013 at 9 pm EST, on the CBS Television Network.

What’s in store for viewers is a big handful of guest stars, including Martha Plimpton, T.R. Knight and Mayor Michael Bloomberg.

Don’t forget to come by Small Screen Scoop for a review of the episode tomorrow! There will surely be tons to talk about.

Martha Plimpton on The Good Wife. Photo: David M. Russell/CBS  ©2013 CBS Broadcasting, Inc. All Rights Reserved

Martha Plimpton on The Good Wife. Photo: David M. Russell/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved

The Good Wife Season 4 Episode 22 “What’s In The Box?”

On the night of Peter’s gubernatorial election, Alicia, Will and Diane race to a series of emergency court proceedings when Zach believes he’s witnessed vote tampering. Meanwhile, an unlikely source offers Cary aid to start his own firm, while the conflicted feelings Alicia has in her personal and professional lives come to a head, on the fourth season finale of THE GOOD WIFE, Sunday, April 28 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Martha Plimpton, T.R. Knight, Denis O’Hare, Dylan Baker, Ana Gasteyer and Estelle Parsons guest star. New York City Mayor Michael Bloomberg appears as himself.