HBO’S ‘Silicon Valley’ launches its final season
Also, Taylor Swift joins ‘The Voice’ as Mega Mentor during Knockout Rounds
DON’T MISS>> “Silicon Valley” — The sixth — and sadly, final — season of the tech-centric comedy gets off to a hilarious start as an ultra-jittery Richard Hendricks (Thomas Middleditch) finds himself testifying before Congress about the security of user data. Can he hold it together long enough to make his case for “a new, democratic, decentralized internet”? On another front, megalomaniac tech titan Gavin Belson (Matt Ross) is in desperation mode as his company, Hooli, is about to be swallowed up by Amazon. (10 tonight, HBO)
Other bets
TONIGHT >> “Princess Diana’s ‘Wicked’ Stepmother” is a spicy documentary that delves into the volatile relationship between Diana and her stepmother, British socialite Raine Spencer. The two women clashed early on before reconciling in the early ’90s, after Diana split from Charles. (8 p.m., Smithsonian Channel)
TONIGHT >> Kathryn Hahn shines as the title character in the new limited series “Mrs. Fletcher.” She plays a lonely single mom in her mid-40s who who opens herself to new experiences after her self-centered son (Jackson White) goes off to college. New experiences like internet porn. (10:30 p.m., HBO)
MONDAY >> They’re ready to rumble on “The Voice” as the Knockout Rounds get underway. Pop icon Taylor Swift will serve as a Mega Mentor, whatever that means. (8 p.m., NBC)
TUESDAY >> On “Mixedish,” the popular girls at school ask Rainbow to join their group Halloween costume as Tootie from “The Facts of Life.” She thinks this is finally her chance to fit in, but Denise views the situation differently. (9 p.m., ABC)
WEDNESDAY >> It’s the final season of “Modern Family” and this episode is called “The Last Halloween.” Phil is determined to finally scare Claire on the big night. Meanwhile, Mitch and Cam head to the Weho Halloween Carnival after Lily decides to go to her first Halloween party alone. (9 p.m., ABC)
THURSDAY >> On “Superstore,” Amy revs up the store’s Halloween spirit to impress the new district manager — even setting up a haunted house that Glenn is terrified to enter. Meanwhile, Cheyenne and Mateo wonder if any of the Cloud 9 employees are capable of murder. (8 p.m., NBC)
FRIDAY >> The new documentary “Fire in Paradise” uses firsthand footage and harrowing interviews with survivors and emergency responders to recall the catastrophic 2018 Camp Fire. The blaze killed 85 people, destroyed the town of Paradise and became California’s deadliest and most destructive wildfire. (Netflix)
FRIDAY >> John Krasinski is back as the title character in “Tom Clancy’s Jack Ryan.” Season 2 has the super-smart CIA agent tracking a suspicious shipment of illegal arms in the Venezuelan jungle. We smell a global conspiracy in the making. (Amazon Prime)
SATURDAY >> You can’t stop the deluge of way-too-early, Christmas-themed TV movies, so just relax and try to go with it. They include “Merry and Bright,” which should give us all the “feels.” Jodie Sweetin and Andrew Walker star. (8 p.m., Hallmark)