Mike Hughes on TV

1) “Riverdale” finale, 9 p.m., CW. For decades, CW has been the home of shows based on comic books or youth novels. Now, under new owners, that era is ending. “Riverdale” (shown here) has had strong production and solid acting (especially by Lili Reinhart as Betty), but bizarre plot twists. This season, the characters slid back to the 1950s, then returned. Now we flash forward; Betty is 86 and wants to relive the final day of her senior year. Read more…

1) “America’s Got Talent,” 8-10 p.m., NBC. It’s finally time for live episodes; 55 acts have survived, led by seven “golden buzzer” awards from the judges and host (trhey’re shown here) and audeince. Two buzzer acts (Lavender Darcangel, 27, of Massachusetts, and Putri Ariani, 17, of Indonesia) are blind singers. There’s another singer (Gabriel Henrique, 28, of Brazil), plus a youth choir from South Africa, dancers from Japan, a hands-based dance troupe from France and young drummers from Atlanta. Read more…

1) “The Bachelorette” finale, 8-11 p.m., ABC. For a while, Charity Lawson (a Georgia therapist, 27, shown here) was down to two guys — Joey Graziadel (a Hawaii tennis pro, 27) and Dotun Olubeko (a Fresno medical consultant, 30). But then Aaron Bryant (a Texas software salesman, 29), whom she’d already dismissed, somehow returned. Now she confers with her family and makes her choice. Also, we meet the new “Bachelor” and peek at “Bachelor in Paradise.” Read more…

1) “761st Tank Battalion: The Original Black Panthers,” 8 p.m., History. Tonight is filled with pioneering Black military units. Reruns tell of the Tuskegee Airmen (7 p.m.), Buffalo Soldiers (10:03) and Civil War heroes (11:05). This new film, produced by Morgan Freeman (shown here), tells of the unit that trained for two years, then was sent to Europe shortly after D-Day. It fought in the Battle of the Bulge and its men won 11 Silver Stars and a Medal of Honor. Read more…

1) “Stand Up to Cancer,” 8 p.m., ABC, CBS, NBC, Fox and more. Every two years, people combine for comedy sketches and talks, raising millions for cancer research. This show, the eighth, comes during the writers’ and actors’ strikes, so it will rerun sketches with Kevin Hart, Jack Black, Melissa McCarthy Bill Hader and more. It also reruns music by The Who, Brittany Howard (shown here) and the widow of Chadwick Boseman, who died of cancer at 43. Read more…

1) “CMT Summer Sessions,” 9 p.m., CMT, On most Fridays in July and August, CMT has a concert by one country star. This time, it brings most of the previous people togethet for a “90s Country” half-hour. “Strawberry Wine,” “Maybe It Was Memphis,” “A Little Too Late” and more are performed by Lee Brice (shown here, who hosts), Tanyya Tucker, Chris Janson, Breland and Ashley McBryde. A week later, McBryde’s solo show will close the season. Read more…