* "The Bachelorette" heads to Prague, where one of the six remaining guys gets upset when he isn't awarded a one-on-one date with Emily. Let's hope she doesn't have to go all "hood rat" on him. 7 p.m. Monday, KTVX Channel 4.
* The Summer Olympics in London don't get under way for a few more weeks, but tonight offers a chance to meet a few potential stars in Omaha. That's where some of our top athletes will be hoping to make a big splash at the U.S. Swimming Trials. 7 p.m. Monday, KSL Channel 5.
* "Dollars & Dentists" is the latest thought-provoking installment of the "Frontline" documentary series. It examines flaws in the nation's dental system, including chains that allegedly overcharge patients. 9 p.m. Tuesday, KUED Channel 7.
* "The Real World" launches its 27th season, which makes us feel real old. This time, our seven roommates find themselves living it up on the exotic Caribbean island of St. Thomas. 10 p.m. Wednesday, MTV.
* Brace yourselves. Charlie Sheen, the actor (and former warlock) who torpedoed his career last year, is back in the sitcom "Anger Management." He plays a hotheaded former ballplayer now working as a therapist. 10 p.m. Thursday, FX.
* Irreverent comedian Louis C.K. returns for Season 3 of "Louie." If you haven't seen this weird, dark and very funny sitcom, you're needlessly depriving your body of healthy laughter. 11:30 p.m. Thursday, FX.
* The human demolition derby known as "Wipeout" returns for its summer run. The opener features 12 no-brawn nerds facing off against a dozen stunning hotties in a classic battle of the sexes. 8 p.m. Thursday, KTVX Channel 4.
* Here's another chance to meet more potential Olympians: This time the site is San Jose, Calif., where people with strong and bendy bodies compete in the U.S. Gymnastic Trials. Coverage continues through the weekend. 8 p.m. Friday, KSL Channel 5.
* This one sounds too good to pass up: "Bigfoot" is a cheesy flick starring former child stars Danny Bonaduce ("The Partridge Family") and Barry Williams ("The Brady Bunch") as lifelong rivals out to capture the hairy beast. Here's hoping Sasquatch puts a beat-down on both of them. 7 p.m. Saturday, Syfy.