1) “Big Brother” season-opener, 8-9:30 p.m., CBS. For more than two decades, this has propelled CBS’ summers. Once a social experiment for all ages, it now focuses on people who are young, attractive and assertive. Now Julie Chen (shown here) introduces the new group: One woman, a phlebotomist, is 40, but all the others are between 21 and 30; one man, a farmer, is 32, but the others are in their 20s. The show also has a lawyer, a scientist and lots of salesfolks; it continues at 8 p.m. Thursdays and Sundays.
2) “Love Island” season-opener, 9:30-11 p.m., CBS. This is sort of like “Big Brother” in hyperdrive. It throws together lots of single people who look great in swimwear, then has one rule: Anyone who fails to make a match could be evicted. This will run Tuesdays to Fridays, plus two hours on Sundays.
3) Hockey, 8 p.m.ET, NBC. Barring a four-game sweep, here’s the fifth game of the best-of-seven championship, with Tampa Bay and Montreal.
4) “Kung Fu,” 8 p.m., CW. You could say this episode has all the essentials – lethal beauties and K-pop music. Following a lead, Nicky and Henry reach a K-pop concert in Las Vegas … and confront the dangerous Zhilan and Kerwin.
5) “The Chapman Report” (1962), 5:15 p.m. ET, Turner Classic Movies. Tonight offers a bumpy ride through the history of Hollywood and sex. “Dating Do’s and Don’t’s,” a 1949 short reflecting that era’s rigid views, is at 7:30, followed by two sexually charged films – “Peyton Place” (1957) at 8, “Picnic” (1955) at 10:45. But first is “Chapman,” which had a promising start – co-written by Wyatt Cooper (Anderson’s dad), directed by George Cukor – then was altered to please the Legion of Decency.