Wednesday on TV

New Adventures of Old Christine (7 p.m., Ch. 2): Christine and Richard are shocked to realize that — gasp — they're getting older.

The National Parks: America's Best Idea (7 and 11 p.m., Ch. 7): Part 4 of 6. (Continues Thursday)

So You Think You Can Dance (7 p.m., Ch. 13): Auditions continue.

High school football (7 p.m., Ch. 14): Bountiful at East

Gary Unmarried (7:30 p.m., Ch. 2): Gary and Allison compete over birthday gifts for Louis.

The Middle (7:30 p.m., Ch. 4): Patricia Heaton plays a middle-class, middle-aged mom in Middle America in this promising new comedy.

Criminal Minds (8 p.m., Ch. 2): A guy kills several people in a pharmacy.

Modern Family (8 p.m., Ch. 4): Jay and Manny spend time together.

Glee (8 p.m., Ch. 13): The only thing I can think of more fun than "Glee" is "Glee" with Kristin Chenoweth. And Chenoweth — fresh off her Emmy win for "Pushing Daisies" — guest stars in tonight's episode. Will (Matthew Morrison) thinks the glee club desperately needs more of an edge, so he brings in his former classmate, April Rhodes (Chenoweth), to spice things up. Will's plan seems to be going smoothly until he realizes he may be losing a key member of the club. And if you missed the good news — Fox has ordered nine more episodes of this show for a total of 22 this season.

Cougar Town (8:30 p.m., Ch. 4): Jules tries to keep up with 20-somethings half her age.

CSI: NY (9 p.m., Ch. 2): A cyberkiller targets health-care workers.

Law & Order: SVU (8 p.m., Ch. 5): A young woman's body is found stuffed in a suitcase.

Eastwick (9 p.m., Ch. 4): The women investigate Darryl's past.