DON’T MISS: “BH90210” – Brace yourself. The grown-up actors from one of primetime’s most-beloved teen dramas are back and clearly in need of attention and/or money. In this six-episode “event series,” cast members of “Beverly Hills 90210” – playing themselves – reunite at a 30th anniversary fan convention in Las Vegas. Of course, old flames, feuds and feelings reignite, and, by the end of the weekend, Tori Spelling really wants to get the band back together for a “90210” reboot. In addition to Spelling, original stars appearing in the show include Jason Priestley, Shannen Doherty, Jennie Garth, Ian Ziering, Gabrielle Carteris and Brian Austin Green. (9 p.m. Wednesday, Fox).
SUNDAY: Hosted by Thomas Rhett and Kelsea Ballerini, the 48th annual “CMA Fest” is stuffed with great performances. The artists on the bill include Lil Nas X with Billy Ray Cyrus and Keith Urban, Ballerini and the Chainsmokers, Carrie Underwood with Joan Jett, as well as Rhett (who kicked off his current tour in Spokane in May), Rascal Flatts, Blake Shelton, and more. (8 p.m., ABC).
SUNDAY: You’re invited to travel to the vast, nearly untouched plains of Tanzania in the stunning “Serengeti.” It’s a six-part documentary series that highlights the region’s majestic animals and their day-to-day lives living together. Oscar-winning actress Lupita Nyong’o narrates. (8 p.m., Discovery).
SUNDAY: As “Preacher” returns for its final season, God’s endgame for the universe begins to fall into place. Trapped between heavenly prophecies, hellish prisons and all-out nuclear war, Jesse, Tulip and Cassidy make their bloody way to the Most High. (9 p.m., AMC).
MONDAY: Lucy Lawless (“Xena: Warrior Princess”) is back in action in “My Life Is Murder.” She’s playing a fearless private investigator in Melbourne whose insights into the darker quirks of human nature allow her to crack baffling cases. (Acorn TV).
TUESDAY: “Woodstock: Three Days That Defined a Generation” is a new, two-hour documentary that examines the tumultuous decade that led to the historic concert event. (8 p.m., KSPS; 9 p.m., KCDT).
TUESDAY: Are you ready for some football? “Hard Knocks: Training Camp With the Oakland Raiders” kicks off its five-episode run. The docu-series embeds with the team as the soon-to-be Las Vegas Raiders prepare for the season. (10 p.m., HBO).
WEDNESDAY: In the season finale of “Grown-ish,” the gang’s sophomore year comes to an end. As it does, bottled-up emotions start to unravel, causing rifts and some interesting reconciliations. (8 p.m., Freeform).
THURSDAY: “Elementary” nears its end. In tonight’s penultimate episode, tech billionaire Odin Reichenbach inadvertently provides Holmes and Watson with a lead that could give them evidence that brings him to justice. (10 p.m., CBS).
FRIDAY: Season 3 of the Emmy-nominated “Glow” follows the women wrestlers to Las Vegas, where they take the Strip by storm. Now headliners at the Fan-Tan Hotel and Casino, they quickly realize Sin City is much more grind than glitter. (Netflix).
SATURDAY: Jason Momoa makes a big splash in “Aquaman.” The 2018 hit feature film follows the DC Comics superhero as he strives to preserve the balance between the surface world and the ancient civilization of Atlantis. (8 p.m., HBO).
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