TV THIS WEEK
SUNDAY
An all-new Shark Week gets underway with “Expedition Unknown: Megalodon” and “Shark Trip: Eat Prey Chum” featuring Rob Riggle. 8 and 9 p.m. Discovery Channel
Her hubby’s disappearance turns their Hawaiian vacation into an “Anniversary Nightmare” in this thriller. With AnnaLynne McCord (“90210”). 8 p.m. Lifetime
The name’s Pennyworth, Alfred “Pennyworth.” The backstory of Bruce Wayne’s butler-to-be is told in this before-Batman action drama. With Jack Bannon. 9 p.m. Epix MONDAY
The remaining suitors get one last chance to impress Hannah on “The Bachelorette” before she makes her decision the next night in the season finale. 8 p.m. ABC; also Tue.
Teen STEM students from around the world assemble in Los Angeles seeking scientific solutions to environmental problems in the documentary “Inventing Tomorrow” on a new “POV.” 10 p.m. KOCE
“Lights Out With David Spade” is a new pop culture-themed late-night show hosted by the former “SNL” cast member. 11:30 p.m. Comedy Central; also Tue.-Thu. TUESDAY
Turner Classic Movies’ monthlong salute to sci-fl flicks comes to a close with a slate of films that includes George Lucas’ 1977 space opera “Star Wars.” 7:30 p.m. TCM
“60 Days In: Narcoland” is the latest iteration of the unscripted series about everyday folks going undercover in the criminal justice system. 10 p.m. A&E WEDNESDAY
The honor of your presence is requested for “Four Weddings and a Funeral,” a new limited series from Mindy Kaling inspired by the 1994 rom-com. Anytime, Hulu
“The Avengers’ ” Chris Evans captains a secret 1980s mission to bring Jewish-Ethiopian refugees from Sudan to Israel in the new fact-based drama “The Red Sea Diving Resort.” With Ben Kingsley and Michael Kenneth Williams. Anytime, Netflix
“Jane the Virgin,” we hardly knew ye. The soapy comedy-drama starring Gina Rodriguez wraps its run with a behind-thescenes special followed by the series finale. 8 and 8:59 p.m. The CW
It’s astronomical! A new installment of “Ancient Skies” charts the rise of a more scientific understanding of our home planet’s place in the universe. 8 p.m. KOCE
The new documentary “Unmasking Jihadi John: Anatomy of a Terrorist” profiles one of the most sadistic soldiers of the selfproclaimed Islamic State. 8 p.m. HBO
A pleasure cruise takes a decidedly lessthan-pleasurable turn in the Shark Week movie “Capsized: Blood in the Water.” With Josh Duhamel. 9 p.m. Discovery Channel
“Sherman’s Showcase” is the greatest “Soul Train”-like variety show you’ve never heard of — because it never existed until it became this new satirical series. 10 p.m. IFC THURSDAY
Are you ready for some preseason football? The Denver Broncos face the Atlanta Falcons in the annual “Hall of Fame Game” in Canton, Ohio. 5 p.m. NBC
“iZombie,” we also hardly knew ye. After five seasons, this supernatural procedural starring Rose McIver also airs its series finale. 8 p.m. The CW
The elite meet to put the heat to the meat in the new competition series “BBQ Brawl: Flay V. Symon” starring chefs Bobby Flay and Michael Symon. 9 p.m. Food Network
The true-crime series “No One Saw a Thing” recounts a shocking tale of vigilante justice meted out in a small Missouri town in the early 1980s. 11 p.m. Sundance TV FRIDAY
“This Is Football,” by which they mean soccer, in this new docu-series about the worldwide popularity of “the beautiful game.” Anytime, Amazon Prime
The gang’s all here in the new made-forcable musical three-quel “Descendants 3.” With Dove Cameron and Sofia Carson. 8 and 9:55 p.m. Disney Channel
Ursula K. Le Guin, the late, great author of sci-fi and fantasy classics including “The Left Hand of Darkness” and “A Wizard of Earthsea,” is remembered on a new edition of “American Masters.” 9 p.m. KOCE
“Racing Wives” are all rev’d up and ready to go in this new unscripted series about the better halves of some of NASCAR’s finest. 10 p.m. CMT
Robin Thede heads a squad of African American comics in the new series “A Black Lady Sketch Show.” 11 p.m. HBO SATURDAY
Rachel Weisz and Emma Stone play rivals each vying to be “The Favourite” of Britain’s Queen Anne (Oscar winner Olivia Colman) in this droll 2018 period drama directed by Yorgos Lanthimos. 8 p.m. HBO
The saga of the severely dysfunctional Casteel family continues in the new TV movie “V.C. Andrews’ Dark Angel.” With Annalise Basso. 8 p.m. Lifetime
Who’s a good dog? A Golden Retriever named Sunshine brings a gal and a guy together in the new TV movie “Love and Sunshine.” With Danica McKellar and Mark Deklin. 9 p.m. Hallmark Channel