"New Adventures of Old Christine" (7 p.m., WBBM-Channel 2): Barb (Wanda Sykes) serves Christine with divorce papers, so she hires a lawyer (Corbin Bernsen).

"The Blob" (7 p.m., Chiller): If this doesn't convince you to get cable, you have no soul. Kevin Dillon stars in this '88 remake, with improv legend Del Close as the Rev. Meeker.

"Modern Family" (8 p.m., WLS-Channel 7): Shelley Long guest-stars as Jay's (Ed O'Neill) ex-wife, who was last seen making a scene at his wedding.

"Joan Baez: How Sweet the Sound" (9 p.m., WTTW-Channel 11): This profile follows the folk singer-activist from her 1959 debut at the Newport Folk Festival to her 2008-09 concert tour, with interviews with such luminaries as Bob Dylan, David Crosby, and the Rev. Jesse Jackson.