“The Good Wife” is bringing the fall 2013 season to close with a big episode — number 100, titled “The Decision Tree.” Check out this sneak peek preview in the video above.

New firm Florrick, Agos and Associates is throwing a holiday party and Governor Florrick is attending, but Marilyn and Eli have an issue with that — because “alleged” wife-murderer Colin Sweeney will be there and it might be seen as an ethical misstep since Sweeney’s plea bargain happened during Peter’s time as the State’s Attorney.

We’ve seen the full episode — click here for a few small spoiler-y tidbits to tide you over. But suffice to say, it’s excellent. Maybe the best episode the show has ever done.

“The Good Wife’s” 100th episode airs Sunday, Dec. 1 at 9:30 p.m. ET/8:30 CT and then at 9 p.m. MT/PT (the first broadcast is pushed back due to NFL football).

Posted by:Andrea Reiher

TV critic by way of law school, Andrea Reiher enjoys everything from highbrow drama to clever comedy to the best reality TV has to offer. Her TV heroes include CJ Cregg, Spencer Hastings, Diane Lockhart, Juliet O'Hara and Buffy Summers. TV words to live by: "I'm a slayer, ask me how."