Anybody can go visit the remains of ancient visible cities. A new public television series explores “Ancient Invisible Cities” (PBS, 9 p.m., check local listings) examining places like Istanbul, Cairo, and in tonight’s premiere, Athens, to find their hidden secrets. Professor Darius Arya uses 3D scanning to reveal ancient treasures.
On the first of tonight’s two episodes of “Alone Together” (Freeform, 8 p.m.), Esther and Benji reconnect at Jeff’s birthday party after a three-month split. Then, on the second season finale at 8:30 p.m., they mess up Jeff’s couples retreat.
Ambrose zeroes in a new suspect on “The Sinner” (USA, 10 p.m.).
More eliminations come on “America’s Got Talent” (NBC, 8 p.m.).
The deepest cuts of the season are promised on “World of Dance” (NBC, 9 p.m.).
The hapless opposition has both its members on the block as the power of veto competition starts on “Big Brother” (CBS, 8 p.m.).
On “Suits” (USA, 9 p.m.), Donna’s agreement forces Harvey to help David Fox.
The eight remaining on “MasterChef” (Fox, 8 p.m.) divide into teams to make dinner for firefighters.
Kameron flies the ladies to Colorado on “The Real Housewives of Dallas” (Bravo, 9 p.m.).
On the first of two episodes of “Born This Way” (A&E, 8 and 9 p.m.) Megan and Rachel adjust to living independently.
There are construction delays on “Black Ink Crew: Chicago” (VH1, 8 p.m.).
The reunion of “The Real Housewives of New York City” (Bravo, 8 p.m.) lurches into part two.
A message in a bottle sent more than a century ago is examined on “Mysteries at the Museum” (Travel, 9 p.m.).
Kristin breaks down during senior night on “Raising Tourette’s” (A&E, 10 p.m.).
Bad dating habits recur on “Are You the One?” (MTV, 10 p.m.).
Ty Dolla $ign, Wanda Sykes and Lance Bass show up on “Martha & Snoop’s Potluck Dinner Party” (VH1, 9 p.m.). Then Lavern Cox, Gary Owen and Lil Yachty show up at 9:30 p.m.
Lauren Bacall is the glamorous star of the day on Turner Classic Movies with “Dark Passage” (6 a.m.), “Bacall on Bogart” (8 a.m.), “To Have and Have Not” (9:30 a.m.), “Blood Alley” (11:30 a.m.), “Young Man with a Horn” (1:30 a.m.), “Sex and the Single Girl” (3:30 p.m.), “Designing Woman” (5:45 p.m.), “The Big Sleep” (8 p.m.), “Key Largo” (10 p.m.), “The Gift of Love” (midnight), “Bright Leaf” (2 a.m.) and “Confidential Agent” (4 a.m.).
Baseball includes Mets at Cubs (MLB, 2 p.m.), Seattle at San Diego (MLB, 5 p.m.), White Sox at Yankees (MLB, 7 p.m. and Arizona at San Francisco (MLB, 10 p.m.).
Second round play commences at the U.S. Open (ESPN, noon).
Daytime Talk
Kelly Ripa and Ryan Seacrest: Anthony Anderson, Emilia Clarke, Ben Falcone, Kevin Liu. The View: Mira Sorvino (rerun). The Talk: Isla Fisher, Shannon Woodward (rerun). Harry Connick: Luke Evans, Tara Lipinski (rerun). Steve Harvey: Cast of “Young Sheldon.” Ellen DeGeneres: Jennifer Aniston (rerun). Wendy Williams: Will Catlett, Michele Weaver, Mara Brock Akil (rerun). The Real: Caleb McLaughlin (rerun).
Late Talk
Stephen Colbert: Hugh Grant, Margaret Hoover, Sean Donnelly, Laura Benanti (rerun). Jimmy Kimmel: Don Cheadle, Zoe Kravitz, Blood Orange with A$AP Rocky (rerun). Jimmy Fallon: Jennifer Lopez, Finn Wolfhard, Janet Jackson with Daddy Yankee (rerun). Seth Meyers: Chris O’Dowd, Regina Hall, grandson (rerun). James Corden: Sterling K. Brown, James Marsden, Brian Tyree Henry, Shawn Mendes & Julia Michaels (rerun). Carson Daly: The Sklar Brothers, Ashe, Janet Varney (rerun). Conan O’Brien: Bob Newhart, Nikki Glaser.