MasterChef (8pm, Fox) - The remaining 18 contestants create healthy meals for 300 children at a local elementary school (unfortunately, the magician from Raleigh was eliminated last week). Later, Chef Ramsay participates in a mystery-box challenge. I need everyone to watch this so that we can come together as a nation and send negative vibes to Natasha from San Diego each week. Please don't hold her beauty against her. Holding her arrogance against her will be enough.

Beverly Hills Pawn (9pm, Reelz) - A new pawn shop reality series, but this one is fancy. In tonight's opener, the hunt for movie memorabilia leads to a 1950s Aston Martin, dinosaur eggs from "Jurassic Park" and linens (gross) from "The 40-Year-Old Virgin."

Haunted Collector (9pm, Syfy) - In the Season 3 finale, a visit to an antique shop in Florida that ends up having something in common with John's museum. "Paranormal Witness" also ends its season tonight at 10, with the story of a firefighter's widow who fears for the safety of her daughters after unknowingly purchasing a home that once belonged to devil worshipers. Oh, if I had a dollar for every time I unknowingly bought a house that once belonged to devil worshipers...

How to Live With Your Parents For the Rest of Your Life (9:30pm, ABC) - Polly tries to help Natalie fit in at school by arranging a playdate. (I'm actually going to miss this show when it runs out of new episodes. Brad Garrett and Elizabeth Perkins are pretty funny here.)

The Lookout (10pm, ABC) - The ABC news team looks at ways to keep a home from turning into a money pit.

Chef Roblé & Co. (10pm, Bravo) - In the Season 2 opener, chef Roblé Ali and his crew move into a new kitchen and gear up for a summer season of catering high-end parties. Pressure boils over when they organize a Southern tea party for a reality star.

Republican National Convention - Primetime convention coverage on broadcast networks begins at 10 p.m. tonight. If you want wall-to-wall coverage, your best bet is to head online or to cable. Tonight's highlights include speeches from vice presidential nominee Paul Ryan, former Secretary of State Condoleezza Rice, former Minnesota governor Tim Pawlenty and former Florida governor Jeb Bush. Here's much more information about RNC viewing.

So You Think You Can Dance (8pm, Fox) - The Top 8 dancers perform with all-stars from previous seasons, and two more are eliminated. Jesse Tyler Ferguson ("Modern Family") is the guest judge.

Haunted Collector (9pm, Syfy) - In the second season finale, the team investigates claims of paranormal occurrences in Hawaii, including the Iao Theater in Maui.

Royal Pains (9pm, USA) - A pop star needs treatment while visiting the Hamptons to gear up for her latest tour. Elsewhere, Paige prepares to leave for school and Divya falls for a worldly polo player.

Necessary Roughness (10pm, USA) - Disaster looms for T.K. and the team in tonight's summer finale. Michael Imperioli (left) guest stars.

Top Chef Masters (10pm, Bravo) - The chefs create dishes using aphrodisiac ingredients. Later, they launch their own Thai restaurant and revamp classic Thai meals. Burlesque performer Dita Von Teese is the guest judge.

Paranormal Witness (10pm, Syfy) - The origins of a Dybbuk Box, which is said to contain an evil spirit, is investigated by its owner after it supposedly created havocs in the lives of two previous owners. A movie based on this story, starring Kyra Sedgwick and Jeffrey Dean Morgan opens in theaters Friday. 

Dogs in the City (8pm, CBS) - Justin partners with Edie Falco to renovate an animal shelter. He also works with an aggressive dog that was once attacked, and an anxious dog that loses its cool during playtime.

ESPY Awards (9pm, ESPN) - Comedian Rob Riggle hosts the event from Los Angeles. Longtime Tennessee women's basketball coach Pat Summitt receives the Arthur Ashe Courage Award.

Damages (9pm, DirecTV 239) - Season five has some great guest stars -- Ryan Phillippe, Jenna Elfman -- in addition to series regulars Glenn Close and Rose Byrne. But remember, it's only on DirecTV. The new season has a Wikileaks theme: the founder of a controversial website devoted to government and corporate transparency gets sued after his most recent information leak does not go as planned. This leads to a legal showdown between Patty and Ellen.

Beverly Hills Nannies (9pm, ABC Family) - The premiere of a new reality series centered on the caregivers who work for wealthy families in Beverly Hills.

Dallas (9pm, TNT) - A frustrated John Ross moves into Southfork. Meanwhile, Bobby is displeased to learn that Ann sought help from her ex.

Haunted Collector (9pm, Syfy) - A woman's Kentucky home and silo in Ohio are visited in the Season 2 premiere.

Picked Off (10pm, History) - The premiere of a new series that features teams competing to collect valuable items with only $100 to spend. A flea market and a warehouse in Louisiana are visited in the opener.

Hit & Miss (10pm, DirecTV 239) - Chloe Sevigny ("Big Love") plays a transgendered assassin in this new British drama series available only on DirecTV.

Haunted Collector (9pm, Syfy) - The team visits a home in North Carolina, where the residents claim something malevolent may be attached to one of their possessions.

Flipping Out (9pm, Bravo) - Hooray! Season 5 opens with Jeff Lewis' business booming and changing. Added to the team this year is Gage Edward, Jeff's new head of business affairs who is also Jeff's boyfriend. Tonight, Gage schedules a speaking engagement for Jeff in San Francisco, but troubles mar the trip.

Lost Kennedy Home Movies (9pm, History) - Home movies of the children of Joseph and Rose Kennedy include JFK's last weekend with Caroline and John Jr., two weeks before his assassination in Dallas.

Necessary Roughness (10pm, USA) - Dani works with a news anchor whose career is in jeopardy following an on-air gaffe. Elsewhere, Matt refuses to clear T.K. to play in a game, and Lindsay dates a guy who seems too perfect.

Men of a Certain Age (10pm, TNT) - In the finale of this really strong second season, Joe tees off toward his golfing dreams when his moment in the "senior tour pre-qualifier" arrives. Elsewhere, Owen and his father have a crucial discussion about the future of the car dealership, and Terry discovers a new passion.

Love in the Wild (10pm, NBC) - The couples make their way through a maze of hanging bridges, caves (with bats!) and rope-swinging challenges. The outing forces one contestant to face his fears (bats?), while some couples grow closer.

CMT Music Awards (8pm, CMT) - "American Idol" winner Scotty McCreery will be a presenter on tonight's award show, which is hosted by Kid Rock. Rascal Flatts, Keith Urban, Jason Aldean, Sugarland, and Lady Antebellum are scheduled to perform.

Minute to Win It/America's Got Talent (8pm, NBC) - This is happening all night long. 'Minute' starts at 8pm and then two hours of 'AGT.'

So You Think You Can Dance (8pm, Fox) - Contestants go to Las Vegas for callbacks to compete for a spot in the Top 20.

Haunted Collector (9pm, Syfy) - The second episode of a new show in which a team of paranormal "experts" visit locations to determine the source of a haunting -- which is sometimes, according to them, an inanimate object that spirits affix to. So yes, that creepy clown cookie jar you got from your grandmother? It might actually be haunted.

20/20 (10pm, ABC) - On a night when the only new content on the major broadcast networks is reality programming, ABC explores the popularity and profitability of reality television in America. Since they're talking about making lots of money, expect lots of discussion of MTV's 'Jersey Shore' (right).

Men of a Certain Age (10pm, TNT) - Joe does a favor for his ailing bookie, Manfro, and Terry faces up to the end of his romance with Erin. Great episode.

Locked Up Abroad (10pm, National Geographic Channel) - Mobster turned informant Henry Hill, who was portrayed by Ray Liotta in Martin Scorsese's "Goodfellas," shares his story.