Still alert to signs of evil in Blue Valley, Courtney (Brec Bassinger) is wary when an unexpected visitor shows up at the Dugan house in the new “Summer School: Chapter Two.” Meanwhile, a visit from a mysterious antiques collector named Richard Swift (guest star Jonathan Cake) raises red flags for Pat and Barbara (Luke Wilson, Amy Smart). Elsewhere, Cindy (Meg DeLacy) sets her plan into motion. Yvette Monreal, Cameron Gellman, Anjelika Washington, Trae Romano and Hunter Sansone also star. (TVPG) 8 p.m. on KSKN.
Superman & Lois
Lois (Elizabeth Tulloch) confronts the lethal Leslie Larr (guest star Stacey Farber), while Clark’s (Tyler Hoechlin) worst nightmare comes to life in the Season 1 finale “Last Sons of Krypton.” Meanwhile, Lana, Kyle and Sarah (Emmanuelle Chriqui, Erik Valdez, Inde Navarrette) agree to stay in Smallville to help General Lane (Dylan Walsh). Jordan Elsass, Alex Garfin, Wolé Parks and Adam Rayner also star in this episode, which was directed by Tom Cavanagh (“The Flash”). (TVPG) 9 p.m. on KSKN.
Daphne and Zev (guest stars Odette and Dave Annable), two guests whose marriage has grown stale, come to the island in search of the ultimate adventure together in the new episode “His and Hers; The Heartbreak Hotel.” In another story, widower Brent (guest star Francois Chau), trapped in a grief-stricken slumber for 35 years, must decide whether he’s ready to confront his loss in an awake state. Roselyn Sanchez and Kiara Barnes star; the guest cast also includes John Gabriel Rodriguez and Michelle Cortés. (TV14) 9 p.m. on Fox.
My Big Fat Fabulous Life
A new season of this hit docuseries finds principal character Whitney Thore showing signs of life after love, as she tries to put her failed engagement in her rear-view mirror and focus on the future. She’s close to supportive friends and family again, now that she’s moved back home to Greensboro, North Carolina, and her virtual fitness business with her friend Jessica is thriving. Whitney also is exploring a long-distance relationship with a man in Paris whom she met while taking virtual French lessons. (TVPG) 9:02 p.m. on TLC.
Motherland: Fort Salem
Suspicion and distrust in Alden begin to mount as Abigail and Tally (Ashley Nicole Williams, Jessica Sutton) prepare to put pressure on those in positions of authority to make some important changes in a new episode called “Mother of All, Mother of None.” Meanwhile, Raelle (Taylor Hickson) gains a deeper understanding of the Mycelium and the purpose it has for her. Amalia Holm and Demetria McKinney also star. (TV14) 10 p.m. on FREE.
Man vs. History
Even before it became a pivotal moment in the Broadway musical blockbuster “Hamilton,” the duel between political rivals Alexander Hamilton and Aaron Burr was among the best-known confrontations in American history. Like all such iconic moments, the duel is shrouded in so much romantic legend that the historical facts are a mite hazy. In the new episode “Hamilton vs. Burr” storyteller Bil Lepp blows away some of the fog, and also revisits details from the Hatfields and McCoys feud, plus what happened at the O.K. Corral. (TVPG) 10:03 p.m. on HIST.
The wagon train makes a stop at Independence Rock, a site the pioneers deem appropriate to celebrate the Fourth of July, in “Oregon Trail: Independence Rock.” While Ezekiel and Prudence (Daniel Radcliffe, Geraldine Viswanathan) try their best to enjoy the holiday, Benny (Steve Buscemi) spends it trying to reclaim his previous status as the No. 1 outlaw in the Wild West. Karan Soni also stars. (TVMA) 10:30 p.m. on TBS.
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