Sunday — Aug. 16
“Summer Under the Stars” continues with a daylong salute to Cary Grant that includes the actor opposite Eva Marie Saint in Alfred Hitchcock’s monumental 1959 thriller “North by Northwest.” (5:30 p.m. ET and 2:30 p.m. PT on TCM)
Princesses, assemble! Cinderella, Snow White, et al. will be belting out a few fan favorites in the new special “Disney Princess: The Ultimate Concert Celebration.” (8 p.m. on ABC, Disney Channel and Freeform; anytime, Disney+)
An expectant couple living in a high-tech home find themselves facing an unexpected threat in the new thriller “The Guest Who Never Left.” With Felisha Terrell. (8 p.m. Lifetime)
In brightest day, in blackest night… Kyle Chandler portrays intergalactic supercop Hal Jordan, stalwart member of the Green Lantern Corps, in “Lanterns,” a new mystery drama based on the DC Comics. With Kelly Macdonald. (9 p.m. HBO; 9 p.m. ET and 6 p.m. PT on HBO Max)
Monday — Aug. 17
The gang’s all here as the off-color comedy “It’s Always Sunny in Philadelphia” returns for its umpteenth season. With Charlie Day, Glenn Howerton, Kaitlin Olson, Rob McElhenney and Danny DeVito. (9 & 9:30 p.m. ET and 6 and 6:30 p.m. PT on FX, FXX and Hulu)