“So You Think You Can Dance” 7 p.m. to 9 p.m., Fox (live)
I think it’s clear at this point that they can actually dance. We’re down to eight now, and these dancers perform with All-Stars from previous seasons before two more are cut.
“Extreme Weight Loss” 7 p.m. to 9 p.m., NBC (new)
A married couple trying to lose weight gets help from softball player Jennie Finch.
“The Life of Muhammad” 7 p.m. to 10 p.m., PBS (2011)
A three-part series examines the life of the founder of Islam.
“Pretty Little Liars” 7 p.m., ABC Family (new)
At the school’s hoedown, the girls try to corner “A.” Also, Hanna is followed by a classmate with a secret. My question: Who doesn’t have a secret at this school?
“Nine for IX” 7 p.m., ESPN (new)
When you think of the recent progress of women’s sports, you have to think of the 1999 Women’s World Cup soccer team. Mia Hamm, Kristine Lilly, Briana Scurry and Brandi Chastain are among those featured.
“Doomsday Preppers” 8 p.m., National Geographic (new)
In Washington, a man gets his family ready for an economic collapse, while a South Carolina man is preparing for an earthquake.
“Rizzoli & Isles” 8 p.m., TNT (new)
Our gals make a chilling discovery while looking back at the case of serial killer Charles Hoyt.
“Suits” 9:01 p.m., USA (new)
Harvey is reminded of why he left the D.A.’s office when Cameron plays dirty pool on Ava’s case.