The glossy reality documentary style of MTV’s old “Laguna Beach” — big on backing music and without confessional afterthoughts — is attempted again with a whole new group of pretty young people. This time it’s college students going to summer break in Sarasota, Fla., for a series called “Siesta Key” (MTV, 10 p.m.). In the premiere, Alex finds himself in a love triangle with Madisson and Juliette.
Making a thriller out of Shakespeare was the aim of “A Midsummer’s Nightmare” (Lifetime, 11 p.m.), which only got as far as the pilot apparently. That’s all that’s scheduled to be shown, anyway. The work is said to include in its cast Courtney Love, Eric Balfour, Chad Rook and Dominic Monaghan.
Will there be a nightly Diana documentary leading up to the 20th anniversary of her death in a month? Anyway, there is tonight with “Princess Diana: Tragedy or Treason?” (TLC, 8 p.m.).
A death 25 years ago, of an uncle who died of AIDS, is the subject of Cecilia Aldarano’s personal film “Memories of a Penitent Heart” on “POV” (PBS, 10 p.m., check local listings).
A pause before decision-time for Rachel Lindsay is the edition of “The Bachelorette” (ABC, 8 p.m.) known as “The Men Tell All.”
The rise of robots is the topic on “CBSN: On Assignment” (CBS, 10 p.m.), a summer newsmagazine.
“Dope Man” (A&E, 10 p.m.) is a one-hour special about an ex-con and recovering addict who tries to help people kick their heroin habit. It comes just after the 19th season start of “Intervention” (A&E, 9 p.m.).
“American Ninja Warrior” (NBC, 8 p.m.) holds competitions in San Antonio.
Tulip has a near-death experience on “Preacher” (AMC, 9 p.m.).
“Will” (TNT, 9 p.m.) receives an unexpected visitor.
On the new “Carspotting” (Discovery, 10 p.m.), gear heads go shopping.
If the original version wasn’t family friendly enough, here’s “House Hunters Family” (HGTV, 10 p.m.) — at a family unfriendly time.
“Hooten and the Lady” (The CW, 9 p.m.) goes to Bhutan.
A deadly predator breaks loose on the night of the full moon in “Midnight, Texas” (NBC, 10 p.m.).
Shannon gives her daughter a driving lesson on “The Real Housewives of Orange County” (Bravo, 9 p.m.).
“Superhuman” (Fox, 9 p.m.) reaches its first season finale as does a first season scripted show, “Daytime Divas” (VH1, 10 p.m.).
Lee celebrates her 40.5 birthday on “Sweet Home Oklahoma” (Bravo, 10 p.m.).
Academy callbacks end on “So You Think You Can Dance” (Fox, 8 p.m.).
Ray J makes a bet on “Love & Hip Hop Hollywood” (VH1, 8 p.m.).
On “Shadowhunters” (Freeform, 8 p.m.), everyone is on high alert following an attack on the Institute.
Jackie is stuck on a boat on “Basketball Wives” (VH1, 9 p.m.).
Kailyn delivers big news on “Teen Mom 2” (MTV, 9 p.m.).
The investigation of the murder of an ex-Air Force officer leads to a UFO expert on “Stitchers” (Freeform, 9 p.m.).
Jalen Rose, Donald Faison, Angela Kinsey and Mary McCormack are panelists on “To Tell the Truth” (ABC, 10 p.m.).
Gerry is still abducted on “People of Earth” (TBS, 10:30 p.m.).
Last month’s “AFI Life Achievement Award: A Tribute to Diane Keaton “ (TCM, 8 p.m.,1 and 4:30 a.m.) precedes a night of her work including “Reds” (TCM, 9:30 p.m.) and “Manhattan Murder Mystery” (2:30 a.m.).
Monday night baseball has Cleveland at Boston (ESPN, 7 p.m.).
Otherwise, there is pool play in the National Baseball Congress World Series (ESPN2, 8 p.m.).
In cycling, it’s stage 1 on the Tour of Utah (Fox Sports 2, 2 p.m.).
Daytime Talk
Kelly Ripa and Ryan Seacrest: Matthew Mcconaughey, James Van Der Beek, Lawrence Marian, Busy Philipps. The View: Colin Jost, Michael Che, Adam Gassman. The Talk: Emma Bunton, Laura Benanti, Big Boy. Harry Connick: Jerry O’Connell, Anne Burrell, the Olate Dogs, Erinn Hayes (rerun). Ellen DeGeneres: Jesse Tyler Ferguson, James Corden, Panic at the Disco (rerun). Wendy Williams: Christina Milian (rerun). The Real: RuPaul (rerun).
Late Talk
Stephen Colbert: Matthew McConaughey, Vanessa Bayer. Jimmy Kimmel: Channing Tatum, Elisabeth Moss, the Killers. Jimmy Fallon: Idris Elba, Ali Wentworth, Tame Impala. Seth Meyers: Molly Shannon, Matthew Rhys, Bleachers. James Corden: Chris Bosh, Mark Duplass, Jay Duplass. Carson Daly: Carrie Coon, Deap Vally, Bassem Youssef (rerun). Trevor Noah: Kathryn Bigelow. Conan O’Brien: Will Arnett, Rory Shovel, Luis Fons (rerun).