UPDATED: For info on coverage of tonight's memorial service in Tucson, read this.

Live to Dance (8pm 9pm, CBS) - The 18th act is announced and two acts advance to the next round. We'll be posting recaps of this show starting tomorrow. Update: President Obama will speak at a memorial service in Tucson tonight between 8 and 9pm, moving this show to 9pm ET.

Marching Once More (8pm, UNC-TV) - A new locally produced documentary about a reunion of veterans (three of them from North Carolina) commemorating the 60th anniversary of the Battle of the Bulge in Europe. "North Carolina's WWII Experience" airs after this at 9pm. Read more.

Modern Family (9pm, ABC) - Mitchell and Cameron have a chance encounter with Mitchell's old girlfriend (Mary Lynn Rajskub) and Gloria's efforts to befriend another couple annoy Jay. All ABC sitcoms are new tonight.

Off the Map (10pm, ABC) - The premiere episode of another Shonda Rhimes doc drama, this one set in the jungles of South America. It has Zach Gilford from "Friday Night Lights," but mostly, it's just a ripoff of "Grey's Anatomy" moved to a jungle (and "Grey's" is miles better). Check out our full review.

Law & Order: SVU (10pm, NBC) - A woman (A.J. Cook) is raped by a masked man and her partner is severely beaten by him. The injured woman's estranged father, played by Jeremy Irons, is notified of the incident. When police question him, they find themselves confronting an uncooperative man with a sordid past.

The President's Photographer: Fifty Years Inside the Oval Office (8pm, UNC-TV) - The work of chief White House photographer Pete Souza is explored. The documentary follows him inside the Obama White House, aboard Air Force One, and backstage at the State of the Union.

Kung Fu Panda Holiday Special (8:30, NBC) - Po (voice of Jack Black) is disappointed to learn he'll have to host an even at Jade Palace on his favorite holiday, Winter Feast, which he usually spends with his father. The obligation leaves Po torn between his family traditions and the job he loves. Dustin Hoffman, Angelina Jolie, Jackie Chan, Seth Rogen, Lucy Liu, and David Cross all reprise their roles from the 2008 film.

Modern Family (9pm, ABC) - A Thanksgiving visit from Cameron's force-of-nature mother (Celia Weston) makes Mitchell nervous, Phil is distraught over Haley's breakup with Dylan, and Jay's stomach ailment worsens after he and Manny read a medical website. All the ABC sitcoms have special Thanksgiving episodes tonight.

Tina Fey: The Mark Twain Prize (9pm, UNC-TV) - Tina Fey is awarded the 13th Mark Twain Prize for American Humor at the Kennedy Center in Washington. Those paying tribute: Fred Armisen, Steve Carell, Jimmy Fallon, Jon Hamm, Steve Martin, Seth Meyers, Lorne Michaels, Tracy Morgan, Amy Poehler, and Betty White.

The Biggest Loser: Where Are They Now (9pm, NBC) - Upudates on more than 30 contestants from the first nine seasons of the show.

Terriers (10pm, FX) - As Hank, Britt, and Laura Ross unravel the Ocean Beach conspiracy, they put themselves and people around them in danger. Meanwhile, Britt receives assistance from an unexpected source, and Katie learns something new about Britt.

Human Target (8pm, Fox) - In the Season 2 premiere, Chance and Guererro hatch a plant to rescue the kidnapped Winston. Meanwhile, a philanthropist (Indira Varma) fears her husband's death may be followed by her own, and a young thief sees a mentor in Guererro.

Dateline: William & Kate - A Royal Love Story (8pm, NBC) - NBC ditches one of the few remaining episodes of "Undercovers" to slap together a special on the engagement of Prince William and Kate Middleton. Everyone is trying hard to make me care about this. I just don't. I'll be watching "Human Target."

Survivor: Nicaragua (8pm, CBS) - The ten remaining castaways return to the Libertad camp only to discover that it is in ashes because of a fire.

Better with You (8:30pm, ABC) - Maddie scores Mia and Casey a meeting with an A-list wedding planner, played by Reba McEntire.

Modern Family (9pm, ABC) - A party at a restaurant for Manny's birthday makes the guest of honor anxious about his age. Cameron uses a shopping trip to the mall as a chance to meet new people. Norman Lloyd (Dr. Auschlander from "St. Elsewhere") guest stars.

Law & Order: SVU (9pm, NBC) - Stabler speaks at a Take Back the Night rally at his daughter's college campus, and the rally inspires a woman to accuse a fellow student of rape. Stabler and Benson investigate the case and ADA Paxton (Christine Lahti) is assigned to prosecute it.

Terriers (10pm, FX) - In an episode that includes flashbacks, Hank gets another chance to solve the rape case that got him fired from the police department.

Circus (9pm, UNC-TV) - A look at the life in the circus through the prism of the Big Apple Circus opens with "First of May," in which the entertainers and crew map out a new show for a 350-performance tour. "One Ring Family" continues at 10pm with tensions at the first dress rehearsal.

Law & Order: SVU (9pm, NBC) - An environmentalist's body is found at an industrial laundry plant, and the investigation puts Benson and Stabler in danger. When more victims are discovered, Benson unexpectedly reflects on her past while bonding with a victim's daughter, played by Maria Bello.

Modern Family (9pm, ABC) - All of the ABC comedies look good tonight, but on "Modern Family," Phil is perplexed by a faulty smoke detector, Gloria and Manny pay a surprise visit to Jay at work, and Cameron tries to get Lily in a commercial.

Terriers (10pm, FX) - Listen up. "Terriers" is not about dogs. It's a great show about private detective buddies that you should all be watching. Tonight, as Gretchen's wedding nears, Hank learns some troubling information about her fiance. Also, Britt tracks down the hooker (D.J. "Shangela" Pierce) who ripped of a teenage boy. Britt also begins to suspect that Katie's odd behavior means that she's pregnant.

The Defenders (10pm, CBS) - When a Las Vegas entertainment icon is suffocated to death in his mansion and his girlfriend is charged with the crime, Pete reluctantly agrees to represent her.

In the Spotlight with Robin Roberts: All Access Nashville (10pm, ABC) - Robin Roberts interviews Brad Paisley, Carrie Underwood, LeAnn Rimes, and Miranda Lambert. And yes, ABC is air ing the CMA awards next week.

Get a chance to watch the preempted Halloween episode of "Modern Family" yet? Check out this photo gallery showing off some of the costumes and spooky hijinx from the show. Click on the photo below to access the gallery.

You know what's almost as scary as a cowering in your bathroom during a nearly statewide tornado watch? Missing an amazing "Modern Family" Halloween episode.

We're definitely not making light of tornados, but we were really looking forward to "Modern Family" last night, so that was a double bummer.

WTVD is making it right, though. They'll repeat the episode Friday from 2:05 am to 2:35 am (that means tonight after midnight for those of us who are time-challenged). Whatever your DVR or TIVO says is on during that time, record it.

All other ABC programming pretty much showed in its entirety last night, but if you're dying to see the first couple of minutes of "Cougartown," you can watch on the ABC website. And if you can't wait till tonight/tomorrow for "Modern Family, you can also watch that on the ABC website.

The Middle/Better With You/Modern Family/Cougar Town (8pm, ABC) - ABC comedies all have special Halloween episodes tonight. On "The Middle," Frankie and Mike are invited to an adult Halloween party in the neighborhood. On "Better With You" (just picked up for a full season) Maddie is upset that her birthday, which falls on Halloween, is always overshadowed, so Mia and Casey offter to throw her a party. On "Modern Family," Claire's elaborate Halloween plans (evidence at lef) depend on the rest of the family's help with trick-or-treaters, and the holiday conjures up terrible memories for Cameron. On "Cougar Town," Jules reluctantly dons a costume for Halloween when her father (Ken Jenkins, "Scrubs") comes to visit on his favorite holiday.

Undercovers (8pm, NBC) - This show falls under the "watch it while you can" category -- most are expecting it get axed any day now. But for now, you can watch the Blooms try to recover a  painting that's hiding a formula for a biological weapon. Or not.

Criminal Minds (9pm, CBS) - In an especially creepy episode, the team travels to Detroit to catch a killer who, for the past three years, strikes on "Devil's Night," the city's pre-Halloween celebration.

I'd Do Anything (9pm, BBC America) - The premiere of a new series in which hundreds of aspiring stage actors attend open casting calls in London for the lead roles in Andrew Lloyd Webber's West End revival of "Oliver!"

Harry Loves Lisa (10pm, TV Land) - Harry gets some help from Ed Begley Jr. with a a rodent problem, but his preoccupation with the infestation begins to overshadow his upcoming 13th wedding anniversary with Lisa.

Daily Show with Jon Stewart (11pm, Comedy Central) - Stewart is doing his show from DC this week, and tonight's guest is President Barack Obama.

The Middle (8pm, ABC) - The Heck family host a foreign exchange student from Japan and are upset when the student shows absolutely no interest in the family (I know how he feels). 

Modern Familiy (9pm, ABC) - Noticing that everyone is too distracted by their electronic devices to interact with one another, Claire and Phil challenge the family to see who can go unplugged the longest. That has to be extra hard for an early adopter like Phil. Also, Cameron and Mitchell look for preschools for Lily, and Jay and Manny worry about Gloria's obsession with a neighbor's barking dog.

I am Alive: Surviving the Andes Plane Crash (9pm, History) - A 1972 plane crash in the Andes which left 17 survivors stranded for 72 days is recalled by survivor Nando Parrado. Included: survivors' photographs, dramatic re-enactments, and footage from the crash site.

Law & Order: Los Angeles (10pm, NBC) - A meth lab explodes and kills two children, prompting a search for the dealer's family. When the detectives learn that the people responsible for the explosion are plotting something more destructive, the feds become interested in the case.

Terriers (10pm, FX) - Hank and Britt befriend a college student with amnesia who has a nagging suspicion that he has done something wrong. And Britt is worried about Katie, who has suddenly become distant.

God in America (9pm, UNC-TV) - The final installment of a three part series on the mixing of religion and politics in our nation. Tonight recalls the post-World War II era when evangelist Billy Graham (left) led a religious revival that wedded faith with patriotism. Also, the Supreme Court's decision on religious expression in public schools and the rise of Martin Luther King, Jr.

Modern Family (9pm, ABC) - Claire and Mitchell vow to be honest with each other's mates, respectively, about Cameron's attire and Phil's speech at an upcoming banquet.

Cougar Town (9:30pm, ABC) - Jules learns about Grayson's fling with Laurie, but is more confused than angry. And Travis gets romantic advice from Andy.

Law & Order: Los Angeles (10pm, NBC) - A pro surfer is murdered after he returns home to care for his ailing mother, but the detectives think there's more to the case than a robbery gone wrong.

Terriers (10pm, FX) - Hank and Britt go on a wild goose chase through Ocean Beach's more colorful neighborhoods in search of an antique engagement ring.

What's Eating You? (10pm, E!) - A six-part series on eating disorders. Tonight, a dancer battles anorexia and a woman tries to suppress her bulemic tendancies.

Storm Chasers (10pm, Discovery) - The fourth season opens with Sean and his crew facing down a twister in west Texas.

Harry Loves Lisa (10pm, TV Land) - Harry Hamlin and his wife Lisa Rinna visit a couples counselor for tips on rekindling their marriage, and the counselor suggests they explore each other's interests. Harry winds up at a psychic and Lisa has to go camping.

Survivor: Nicaragua (8pm, CBS) - NaOnka and local girl Kelly Bruno engage in a small war over the hunt for the hidden immunity idol.

Modern Family (9pm, ABC) - When an earthquake strikes, Cameron and Mitchell see a way out of a costume brunch thrown by their friend Pepper, played by Nathan Lane. Also, Claire is trapped in the bathroom with a plumber and Manny undergoes a crisis of existential proportions on an outing with Jay.

Law & Order: Los Angeles (10pm, NBC) - The detectives are on the case after a cult member is stabbed to death. The cult's leader is questioned, along with the victim's cell mate and Det. Winters' wife, Lori. Terrence Howard has DA duty tonight.

Harry Loves Lisa (10pm, TV Land) - The premiere of a new reality series following the lives of married actors Harry Hamlin and Lisa Rinna. Adrienne has more about the show here.

Steven Seagal Lawman (10pm, A&E) - In the second season opener, Seagal and his team witness a head-on collision and search for a suspect in a double-homicide case.

Terriers (10pm, FX) - What is the best show on TV that you're not watching? This one. The Lindus conspiracy widens around Hank and Britt (left) in tonight's episode, as they have just 24 hours to fix the mess they're in or Mark will no longer be able to protect them (if you watched last week, you know the mess I'm referring to).

Top Chef: Just Desserts (10pm, Bravo) - Forget the challenges, watch to see which pastry chef breaks down in tears tonight. It will happen.

Also tonight, a new season of "Mythbusters" (9pm) starts tonight on Discovery, and new seasons of  "South Park" (10pm) and "Ugly Americans" (10:30pm) begin on Comedy Central. Here's a funny recap of Season 1 of "Ugly Americans."