Unforgettable — Carrie Wells (Poppy Montgomery), the NYPD detective with the amazing memory, is back in Season 2 of this drama after a long hiatus. The new season finds her and partner Al Burns (Dylan Walsh) working in Manhattan under a new boss (Dallas Roberts) . At 9 p.m. on KLAS-TV, Channel 8,
Masterpiece Mystery! — Morse (Shaun Evans) tries to fit in studying for the sergeant’s exam around his investigation of the hit-and-run death of a professor. With more pressure on him from his father’s illness and a nemesis threatening to reveal Thursday’s (Roger Allam) secrets, Morse finds himself torn between his job and loyalty to his mentor in the new episode “Endeavour, Series 1: Home.’’ At 9 p.m. on KLVX-TV, Channel 10.
Crossing Lines — While searching for a criminal mastermind, Hickman (William Fichtner) is taken hostage at a bank and comes to realize it may not be money that the robbers are after in the new episode “The Animals.’’ At 10 p.m. on KSNV-TV, Channel 3.
The Fosters — Stef and Mike (Teri Polo, Danny Nucci) head to Ana’s (Alexandra Barreto) in search of Jesus (Jake T. Austin). What they find there lands someone in the hospital and changes the family forever in the new episode “Vigil.’’ At 9 p.m. on ABC Family.
First Comes Love — Filmmaker Nina Davenport turns the camera on herself as she goes through the process of becoming a first-time mother on her own in her early 40s. The film provides plenty of food for thought on what it means to be a family in the 21st century. At 9 p.m. on HBO.
Mistresses — JoBeth Williams (“Poltergeist’’) guest stars in this new episode as Janet, the free-spirited mother of Savi and Joss (Alyssa Milano, Jes Macallan). She pays a surprise visit with some big news that stirs up old tensions. Karen (Yunjin Kim) wonders if Elizabeth Grey (Penelope Ann Miller) killed Tom because of her in “Guess Who’s Coming to Dinner.’’ At 10:01 p.m. on KTNV-TV, Channel 13.
Pretty Little Liars — Hanna (Ashley Benson) turns to Mona (Janel Parrish) to save her mother (Laura Leighton) from being convicted. Emily (Shay Mitchell) turns to her old boss (Rumer Willis) for an escape from her stress in the new episode “The Guilty Girl’s Handbook.’’ At 8 p.m. on ABC Family.
Twisted — Danny’s (Avan Jogia) feelings of alienation from the townspeople increase as he becomes the target of a group of masked pranksters. In an effort to fit in, he asks Tyler (Chris Zylka) to help him throw a party in return for an interview for the film Tyler is making about his return in the new episode “Docu-Trauma.’’ At 9 p.m. on ABC Family.
Suits — Cameron (Gary Cole) retaliates against Harvey (Gabriel Macht) by arresting his client for murder. Still upset over being rejected by Mike (Patrick J. Adams), Louis (Rick Hoffman) finds himself being courted by Katrina Bennett (Amanda Schull) in the new episode “Unfinished Business.’’ At 10:01 p.m. on USA.
Royal Pains — Hank (Mark Feuerstein) treats a spin instructor with an intense style — a holdover from his Wall Street days. Divya’s (Reshma Shetty) patient, a candy maker, is stressed by success. Keller’s (Michael B. Silver) negotiating techniques try Hank’s patience. Divya and Jeremiah (Ben Shenkman) need to relearn the space-sharing thing in the new episode “Chock Full O’ Nuts.’’ At 9 p.m. on USA.
The Bridge — With time running out on Maria’s broadcast, Sonya (Diane Kruger) pulls out all the stops to search for her. Marco (Demian Bichir) defies protocol to work an unusual ransom angle. A powerful force crosses the border from Juarez in the new episode “Maria of the Desert.’’ At 10 p.m. on FX.
Camp — As Little Otter celebrates Valentine’s Day in July, Roger (Rodger Corser) wins a private tour of the camp with Mack (Rachel Griffiths). She isn’t happy about this, but they soon give in to their attraction. A public proclamation from a fellow CIT (Jonathan Rodrigues) threatens Kip’s (Thom Green) chances with Marina (Lily Sullivan) in the new episode “Valentine’s Day in July.’’ At 10:01 p.m. on KSNV-TV, Channel 3.
Our Nixon — This new documentary from Penny Lane offers viewers a different perspective on President Richard Nixon, thanks to home movies shot by top White House aides H.R. Haldeman, John Ehrlichman and Dwight Chapin. They capture historic events such as the moon landing and Nixon’s visit to China, but the most interesting footage may be the private, everyday moments that show the human side of Nixon and the people around him. At 6 p.m. on CNN.
Motive — Flynn and Vega (Kristin Lehman, Louise Ferreira) investigate a killing with a tragic, desperate twist in which murder might actually be an act of healing in the new episode “Undertow.’’ John Pyper-Ferguson (“Brothers & Sisters’’) guest stars as the killer. At 9 p.m. on KTNV-TV, Channel 13.
Rookie Blue — Swarek (Ben Bass) teams with his former training officer, Charlie Walsh (Al Sapienza), to solve a 15-year-old missing persons case . Chloe and Dov (Priscilla Faia, Gregory Smith) try to mediate a dispute between a witch and a disgruntled client in the new episode “Friday the 13th.’’ At 10:01 p.m. on KTNV-TV, Channel 13.
America’s Next Top Model — The competition goes coed in its 20th season, with male models joining the women in vying to be the last model standing. Again, viewers will help decide who advances in the competition and who goes home by voting for their favorites via social media. At 8 p.m. on KVCW-TV, Channel 33.
So Undercover — Miley Cyrus does the double-life thing again in this 2012 action comedy, but this time she’s not a typical teen by day, pop star by night. Her character is a private eye’s daughter recruited by an FBI agent to work undercover as a college sorority girl and protect the daughter of a key witness in a mob trial. At 9 p.m. on ABC Family.
Continuum — After a bullet intended for Julian (Richard Harmon) hits Alec’s (Erik Knudsen) mother instead, Kiera (Rachel Nichols) has a tough decision to make: How far is she willing to go to put a stop to Julian’s murderous future? Victor Webster and Stephen Lobo also star in the new episode “Seconds.’’ At 10 p.m. on Syfy.
Cedar Cove — When Jack’s (Dylan Neal) estranged son, Eric (Tom Stevens), arrives in town for an uneasy reunion with his father, Olivia and Grace (Andie MacDowell, Teryl Rothery) learn a secret that has them questioning Eric’s motives. Charlotte (Paula Shaw) wants to locate the family of a patient she met volunteering at the hospita l in the new episode “Reunion.’’ At 8 p.m. on Hallmark.
Zero Hour — Hank, Beck and Arron (Anthony Edwards, Carmen Ejogo, Scott Michael Foster) arrive at the entrance to New Jerusalem with the Shepherds, determined to rescue Rachel (Addison Timlin) and stop Melanie — aka “Mother’’ (Amy Irving) — before it’s too late in the series finale, “Spring.’’ At 9 p.m. on KTNV-TV, Channel 13.
Do No Harm — Ruben (Lin-Manuel Miranda) arranges for a gang to mug Ian to get a sample of his spinal fluid for his new drug. But the plan backfires when the gang blackmails Jason into potentially killing a patient who is a member of a rival gang. Steven Pasquale stars as Jason and Ian in the new episode “Six Feet Deep.’’ At 10 p.m. on KSNV-TV, Channel 3.