1 NCIS: Los Angeles
7:59 p.m. on (GLO)
The career of someone in the team’s own ranks may be in danger in “Inelegant Heart.” A Navy contractor’s murder reveals the victim was illegally selling confidential information, some of which may have exposed sensitive facts about one of the NCIS operatives. Department of Justice agents visit the Los Angeles office while Hetty (Linda Hunt) is being investigated for her handling of a recent case.
2 American Ninja Warrior
9 p.m. on (NBC)
The new episode “Military Qualifying” uses the battleship USS Iowa as its literal backdrop as the competition unfolds on the famous pier in San Pedro, Calif. All of the competitors are active or retired members of the Armed Forces, and they put two new obstacles — the Log Runner and the I-Beam Cross — to the test. This concluding qualifying round, before the show moves into its finals in various cities, is hosted by Matt Iseman and Akbar Gbaja-Biamila.
3 Penn & Teller: Fool Us
9 p.m. on (WPIX)
Four years after the show’s initial season was made in England — though it took until last year for it to air in America — a new Season 2 begins with “Phone-y Business,” as comedic illusionists Penn Jillette and Teller again try to guess how would-be magicians make their magic. Those who “fool” the duo get to appear with them in their Las Vegas act.
Mike & Molly
9:30 p.m. on (CBS)
The wonders of the Internet can have drastic effects on people, and Molly (Melissa McCarthy) becomes one of them in “Buy the Book.” Anxious to see if people are purchasing her literary debut, she keeps returning to the book’s website to check on sales — again and again and again. Mike (Billy Gardell) becomes concerned about her obsessiveness. Reno Wilson and Swoosie Kurtz also star.
10 p.m. on (CBS)
While Team Scorpion is on a rescue mission to find some lost hikers, their helicopter crashes, leaving them stranded. Worse, the accident ignites a wildfire that swiftly begins to close in on them. As the flames get closer and closer, Sylvester (Ari Stidham) desperately tries to figure out a way to help their pilot, whose injuries make it impossible for him to climb to safer ground in “Young Hearts Spark Fire.” Elyes Gabel and Robert Patrick also star.