VIDEO: Sneak Peek - The 100th Episode of CBS's THE GOOD WIFE

On the next episode of CBS's THE GOOD WIFE, titled 'The Decision Tree,' Alicia is shocked to learn that a former client bequeathed her millions, but Lockhart/Gardner quickly contests the will on behalf of the deceased's wife. Meanwhile, Diane asks Kalinda to look into Damian's background.

Also, Eli and Marilyn are concerned about Peter being seen with Alicia's more disreputable clients at the Florrick/Agos holiday party.

The 100th episode of THE GOOD WIFE airs at a special time, Sunday, Dec. 1 (9:30-10:30 PM, ET/CT, 9:00-10:00 PM, PT) on the CBS Television Network. Jordana Spiro guest stars as Detective Jenna Villette. Returning Guest Stars Include John Noble as Matthew Ashbaugh, Alicia's former client; Stockard Channing as Veronica Loy, Alicia's mother; Nathan Lane as Clarke Hayden; and Democratic Political Strategist Donna Brazile as herself. Get a sneak peek below!

THE GOOD WIFE stars Emmy and Golden Globe Award winner Julianna Margulies as Alicia Florrick, a wife and mother who reinvents her life following her husband's sex and political corruption scandal.  Four years into her tenure at the law firm of Lockhart/Gardner, Alicia accepts a prestigious partner offer from her bosses, Diane Lockhart, Will Gardner and David Lee.  However, a mutual attraction with Will leaves Alicia conflicted after she agrees to renew her vows with her husband, Peter, who has won the gubernatorial election with the help of campaign manager Eli Gold.  After much thought, Alicia agrees to leave Lockhart/Gardner to start a new firm with her colleague, Cary Agos, who is unable to convince investigator Kalinda Sharma to join them.  Now, Alicia must find a way to balance her evolving career, her new position as First Lady of Illinois and her roles as a wife and mother to her teenage children, Zach and Grace.  Emboldened by the prospect of taking control of her future, Alicia bravely ventures into unknown territory.