“The Bachelorette” 7 p.m. to 9:01 p.m., ABC (New)
Emily and the 10 remaining suitors head to London, where one-on-one dates include a double-decker bus tour and an etiquette lesson. Next up on the travel show — er, dating show — Croatia.
“Off Limits” 7 p.m., Travel Channel (New)
The host gets a view of Arlington, Texas from the top of Cowboys Stadium. Then he goes behind the scenes of a Las Vegas show.
“MasterChef” 8 p.m., Fox (New)
The field is narrowed to 36 hopefuls, who must compete in a ground beef challenge in the hopes of making it into the Top 18.
“Cake Boss” 8 and 8:30 p.m., TLC (Both new)
A Statue of Liberty cake and a cake with a working slot machine.
“American Pickers” 8 p.m., History (New)
A collection of enormous steam engines is uncovered in North Carolina, where Frank and Mike also find sideshow relics and a compact car.
“The Real Housewives of New York City” 8 p.m., Bravo (New)
One thing we learned last week about the new cast: They all interrupt each other. And Ramona is totally not okay with that. Where’s the pinot?
“Hurricane Hunters” 8 p.m., Weather Channel (New)
And you thought people only chased tornadoes. Tonight’s episode has a rookie chasing Hurricane Irene.
“Grimm” 9 p.m., NBC
Nick and Monroe investigate the murder of a spice shop owner and the victim’s sister may prove to be an ally for Nick.
“Extreme Couponing” 9 and 9:30 p.m., TLC (Both new)
A 14-year-old girl takes charge of her family’s grocery shopping and a Louisiana mother tries to feed her family of six on $15 per month.
“Pawn Stars” 9 and 9:30 p.m., History (Both new)
A Smith and Wesson revolver, an admiral’s telephone from a Navy ship and a baseball signed by the infamous 1919 Chicago Black Sox team are all brought into the shop.
— Laura King
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