The class struggle comes to the Hallmark Channel! Or maybe not. The made-for-cable romance “Class” (8 p.m., today, Hallmark) features a number of familiar faces and starts out with a prominent social conscience before settling down to a story that wouldn’t wrinkle the brow of your average “Pretty Woman” fan.

Justin Bruening stars as Whitt Sheffield, a third-year law student and a son of privilege. His easy coast toward graduation and a secure job with his snooty father’s (Eric Roberts, in a forgettable, one-note role) prestige law firm hits a few bumps when his idealistic professor, Victoria (Constance Marie), presents him with a difficult assignment.

As part of a social law class, Whitt has to become an advocate for an economically disadvantaged client. This seems like a waste of time to a preppy on easy street, until he meets his case, the fetching Kylie (Jodi Lyn O’Keefe, “Prison Break”). A single mother and the product of foster homes, Kylie has developed a hard shell, something she only lets down when she’s around her cute-as-a-button-but-chronically-asthmatic son, Shane (Maxwell Perry Cotton).

Will Whitt learn to appreciate how the other half lives? What do you think?

• How does a 7-year-old celebrate her 10th birthday? If you’re “Dora the Explorer!” (7 p.m., Sunday, Nickelodeon), you do it with an hourlong episode and special guest voices. Look, or rather listen, for Rosie Perez, John Leguizamo and Hector Elizondo on “Dora’s Big Birthday Adventure,” a special episode of the wildly popular and groundbreaking series about a spunky little girl unafraid of big adventures, whose appeal transcends generations and language and who manages to teach a little Spanish on the side.

• The TV Guide Channel hopes to get our attention with “Sex on TV” (7 p.m., Sunday), a glance back at the broadcast medium’s evolving relationship with the subject. Much is made of efforts to disguise women’s navels, well into the late 1960s.

The discussion bounces from the informative to the obvious with a lot of VH1-like canned observations from comedians and other non-experts. Like many of these affairs, “Sex on TV” is frequently more annoying than naughty.

• Just as you don’t have to be an actor to appear on “Inside the Actors Studio,” the “Comedy Central Roast” (9 p.m., Sunday, Comedy Central) has dropped the requirement that only comedians suffer the flames of their fellows.

David Hasselhoff is not a funny guy, and most of the “humor” surrounding his public and private life features the Hoff as the butt of the jokes. The star of “Knight Rider” and “Bay Watch” and a former host of “America’s Got Talent” and any number of humiliating YouTube videos, Hasselhoff is certainly a pop-culture icon. And that appears to be enough for host and “Family Guy” creator Seth MacFarlane.

• Famous chefs leave their kitchens behind on “The Great Food Truck Race” (9 p.m., Sunday, Food Network). Over the course of six episodes, seven cooks will travel in gourmet food trucks and present challenging menus to folks unaccustomed to ordering Vietnamese, French, and Cajun cuisines from a truck.

Every week, the traveling gourmands will compete to see who can sell the most food, and the least successful get eliminated. The last truck standing will be declared the winner of a $50,000 prize.

Today’s highlights

• Ben Stiller stars in the 2004 sequel “Meet the Fockers” (7 p.m., ABC).

• George can’t keep a good wolf down on “Being Human” (8 p.m., BBC America).

• Scheduled on two helpings of “48 Hours Mystery” (CBS): a missing person in a small town (8 p.m.) a 911 operator vanishes (9 p.m.).

• Tough calls on “Rookie Blue” (9 p.m., ABC)

• Gabourey Sidibe hosts “Saturday Night Live” (10:30 p.m., NBC), featuring musical guest MGMT.

Sunday’s highlights

• Logan thinks he can exonerate Wolf on the season finale of “Scoundrels” (8 p.m., ABC).

• A prop knife becomes a real murder weapon on “Inspector Lewis: Quality of Mercy” on “Masterpiece Mystery” (8 p.m., PBS).

• A trip to Washington offers additional mysteries on “Rubicon” (8 p.m., AMC).

• Nan looks for answers on “True Blood” (8 p.m., HBO).

• Many suspects emerge when Miami’s most hated investment banker is found murdered on “CSI: Miami” (9 p.m., CBS). “Miami” will air original episodes in this time slot starting in the fall.

• A former winner offers advice to the three finalists on “Design Star” (9 p.m., HGTV).

• A neighborhood spat proves enlightening on “The Gates” (9 p.m., ABC).

• Pete feels conflicted on “Mad Men” (9 p.m., AMC).

• Hummus sparks some cultural conundrums on “Hung” (9 p.m., HBO).

• A director needs to know if Vince can be trusted on “Entourage” (9:30 p.m., HBO).