The X-Factor (8pm, Fox) - The season premiere of Simon Cowell's new singing competition show, which is sure to give "American Idol" a run for its money. Tonight features auditions in LA, Chicago, Miami, Dallas, Seattle and Newark. Another episode airs tomorrow night at 8. If you're an "American Idol" fan, should you bother watching this one too? I say yes. More details here.
The Middle (8pm, ABC) - In the one-hour season premiere, the Hecks go on a camping trip, which sparks honeymoon memories for Frankie and Mike, whose honeymoon campout was spoiled by Mike's gloomy former classmate (Ray Romano).
Up All Night / Free Agents (8pm, NBC) - NBC's new comedies premiered last week but move into their regular time slots tonight.
Modern Family (9pm, ABC) - Another one-hour premiere, which begins with a Pritchett family vacation at a dude ranch in Jackson Hole, Wyoming. In the second half hour, Mitchell and Cameron plan to break the news of adopting another child, although this may not sit well with Lily. Brace yourself: the adorable Lily has been recast this season.
Harry's Law (9pm, NBC) - Season two gets a bit of a makeover. Brittany Snow and Aml Ameen are out, and Mark Valley ("Human Target," "Boston Legal") and Broadway actress Karen Olivo are in. Christopher McDonald (fast-talking Tommy Jefferson) is a regular. In tonight's season premiere, which beings a three episode arc, the show brings in guest actors Alfred Molina and Jean Smart.
Criminal Minds (9pm, CBS) - In the seventh season opener, the team's actions in the aftermath of the loss of Prentiss are questioned by a Senate committee, and a familiar person unexpectedly appears to rally them.
CSI (10pm, CBS) - Season 12 begins with the lab getting a new supervisor (Ted Danson, right), who helps the CSIs investigate multiple shootings and stabbings on a public tram. Danson may finally be what gets me to try to watch this show, which for some reason, I've never taken to.
Revenge (10pm, NBC) - The series premiere of a drama about a young woman (Emily VanCamp from "Brothers & Sisters) who returns to the Hamptons with a new identity to get revenge on people who destroyed her family years ago. My review.
Law & Order: SVU (10pm, NBC) - SVU starts its 13th season without star Christopher Meloni, who opted not to return. In tonight's opener, an Atlanta detective (Kelli Giddish) joins the squad as Benson (Mariska Hargitay) tries to cope with the aftermath of a chaotic shooting in the precinct.
Not in Our Town: Light in the Darkness (10pm, UNC-TV) - A documentary on the efforts of the Long Island town of Patchogue to address the underlying causes for a fatal 2008 hate crime attack on Ecuadorian immigrant Marcelo Lucero by a group of teens.