8 THINGS TO WATCH THIS WEEK

1 WHO DO YOU THINK YOU ARE?

Sunday, 7 p.m., NBC

SEASON PREMIERE. Billy Porter enlists the help of a family historian and genealogist to learn the truth behind the 1923 murder of his great-grandfather.

2 LOVE ACCIDENTALLY

Friday on Freevee Alexa (Brenda Song) and Jason (Aaron O’Connell) are both competing for a senior position at a high-powered advertising firm when their significant others break up with them —and hijinks ensue in this rom-com.

3 CAMPFIRE CHRISTMAS

Saturday, 8 p.m., Hallmark

Romance rekindles for Peyton (Tori Anderson) and her closest friends when her parents decide to host a holidaythemed reunion before selling their familyowned summer camp. Corbin Bleu co-stars.

4 EVERYTHING’S TRASH

Wednesday, 10 p.m., Freeform

Phoebe (Phoebe Robinson), a 30something outspoken podcast star making her mark in Brooklyn, if forced to change her life around when her brother launches a political campaign.

5 THE BOB’S BURGERS MOVIE

Tuesday on Hulu Bob and Linda struggle to keep the business afloat after a ruptured water main creates an enormous sinkhole in front of Bob’s Burgers — while the kids try to solve a mystery that could save their family’s restaurant. Based on the long-running animated Fox hit.

6 TOP GEAR

Thursday, 10 p.m., BBC America

SEASON PREMIERE. Hosts Freddie Flintoff, Chris Harris and Paddy McGuinness hit the road in a series of challenges designed to push them and their cast to the limit.

7 THE BACHELORETTE

Monday, 8 p.m., ABC Gabby Windey and Rachel Recchia share the spotlight as 32 men arrive to the mansion with hopes of wooing the women as the veteran franchise kicks off its 19th season.