On TV this Saturday: Flowers in the Attic wraps its Origin story, Peacock streams WWE’s SummerSlam and Shark Week comes to an end. Here are eight programs to keep in your radar; all times are Eastern. (Also check out our weekly TVLine-Up of premieres and finales, plus our monthly streaming guide.)
Day 3 of 4 (through midnight): Featured acts include Big Sean, IDLES, Kaskade, KYGO, Dashboard Confessional, Wallows, Lil Durk and more. (View full lineup.)
Season 3 premiere: After checking into a resort island hotel, four kids are pulled into the mystery of the area’s lurking ghosts.
Limited series finale: After losing all of her children, Olivia becomes the most terrifying version of herself as she tries to seek vengeance on those around her. (Hannah Dodd teases time jumps ahead!)
Shark Week wraps up as Dr. Craig O’Connell and Mark Rackley investigate the great white infested waters off of Cape Cod and test out deterrents that could possibly keep beach-goers safe. (Sharks in Paradise follows at 9 pm.)
TV-movie premiere: A PhD student (Home and Away‘s Rhiannon Fish) studying whales in the Pacific Northwest bonds with a local whale-watching tour guide (Virgin River‘s Benjamin Hollingsworth).
Roman Reigns takes on Brock Lesnar; SmackDown women’s champ Liv Morgan battles Ronda Rousey; Bobby Lashley throws down with Theory. (Vince McMahon retires.)
Ed Kemper terrorizes Santa Cruz, Calif. in the 1970s, as he hacks up hitchhiking college students.
Benedict Cumberbatch hosts this encore episode from May; Arcade Fire performs.
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