'MASTERS OF SEX': At the new hospital, Dr. William Masters, R, is informed that he cannot use black people in his sex study. (Michael Desmond/SHOWTIME)

Claire is taken to meet the Laird and the clan keeps her prisoner when it learns of her medical skills on “Outlander” (Starz at 9 p.m.).

Directed by Spike Lee, “Katt Williams: Priceless” (HBO at 10) has the comedian performing in Ontario, Calif., as part of his “Growth Spurt” tour.

Sunday talk shows: “Platts Energy Week” (WUSA at 8 a.m.) interviews Katherine Hammack, U.S. Army assistant secretary ; “BioCentury This Week” (WUSA at 8:30) features ISI Group’s Terry Haines; “Fox News Sunday” (Fox at 9) hosts Gov. Rick Perry (R-Tex.); “White House Chronicle” (WETA at 9) has CPS Energy’s Doyle Beneby; “State of the Union” (CNN at 9) features Rep. William Lacy Clay (D-Mo); “Government Matters” (WJLA at 9:30) hosts the National Treasury Employees Union’s Colleen Kelley; “This Week” (ABC at 10) features Rep. Tulsi Gabbard (D-Hawaii); “Newsmakers” (C-SPAN at 10) talks to EMILY’s List President Stephanie Schriock; “Sunday Morning Futures With Maria Bartiromo” (Fox News Channel at 10) hosts Gov. Andrew Cuomo (D-N.Y.); “This Is America & the World” (WETA at 10 and WHUT at 6 p.m.) talks to former U.S. ambassador to Denmark Laurie Fulton; “Face the Nation” (CBS at 10:30) talks to Gov. Jay Nixon (D-Mo.).

RETURNING SHOW: Sunday night, “The Great Food Truck Race” (Food at 9 p.m.) welcomes eight teams of aspiring food truck owners to Santa Barbara, Calif., to battle it out for $50,000 in the Season 5 opener. Hosted by Tyler Florence.

For those hanging on with Sookie & Co., Sam is forced to make a difficult decision and Eric faces a dilemma on the latest “True Blood” (HBO at 9).

SERIES PREMIERE: A spin-off of “Wicked Tuna,” “Wicked Tuna: North vs. South” (Nat Geo at 10) pits Gloucester’s finest against Southern fishermen. In the opener, Capts. Dave Marciano and T.J. Ott go to the Outer Banks of North Carolina.

Kevin worries that he’s losing touch with reality and Meg loses control in an argument with Matt on “The Leftovers” (HBO at 10).

On “The Strain” (FX at 10), Setrakian realizes that the upcoming eclipse is the apex for viral infection.

Hendricks bans Dr. Masters from using black people in his sex study on “Masters of Sex” (Showtime at 10).

Rachel Lubitz