“Hot Rods and Muscle Cars” features iconic American muscle cars while “Cultureshock” talks to tabloid-talk-show hosts Jerry Springer, Sally Jessy Raphael and other.

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“Antiques Roadshow”

The most-watched ongoing series on PBS, which bills itself as “part adventure, part history lesson, part treasure hunt,” visits Portland for an update on appraisals from 1998, including art deco clocks and a treasure with an estimated value between $70,000 and $90,000; 8 p.m. Monday on KCTS.

Also on Monday

“So You Think You Can Dance,” 8 p.m. (KCPQ): With auditions over, the competition moves to new challenges, including preparing an original solo and mastering hip-hop choreography and a ballroom routine.

“The Bachelorette,” 8 p.m. (KOMO): Becca and six bachelors take a trip to the Bahamas; Colton, Garrett and Blake get one-on-one dates with Becca; Becca joins the group for a game of beach volleyball.

“Hot Rods and Muscle Cars,” 8 p.m. (HISTORY): The story of the rise, fall and resurrection of hot-rod culture in the United States, featuring the most iconic muscle cars in history.

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“American Ninja Warrior,” 8 p.m. (KING): Competitors in the Minneapolis qualifiers face obstacles including the difficult Double Twister and Diamond Dash.

“Salvation,” 9 p.m. (KIRO): Grace is asked to lie under oath; Darius tasks Liam with a dangerous mission; a shocking act of violence plunges the nation into chaos.

“Cultureshock: The Rise of Trash TV,” 9 p.m. (A&E): A look at the rise of tabloid talk shows and how they laid the groundwork for today’s reality-TV shows, including interviews with Jerry Springer, Sally Jessy Raphael, Geraldo Rivera, Laura Grindstaff, Maury Povich and others.

“Dietland,” 9 p.m. (AMC): In the wake of her life-altering revelation, Plum struggles to discover her true voice; a new attack threatens to unravel Jennifer’s movement.

“The Proposal,” 10 p.m. (KOMO): Ten men vie for the heart of a woman who is an actress, entrepreneur, humanitarian and former first lady of an island.

Madeline McKenzie: mmckenzie@seattletimes.com. Program times may vary depending on your cable provider or service.