5:30 p.m. NBCSN NASCAR XFINITY RACING SERIES

NASCAR’s Xfinity Racing Series playoffs moves into its Round of 12 tonight at Las Vegas Motor Speedway with the Alsco Uniforms 302. A field including A.J. Allmendinger, Justin Allgaier, Austin Cindric, Justin Haley and Daniel Hemric will do battle on the 1.5-mile oval looking to score points toward the championship. Chase Briscoe won this race a year ago in dominating fashion, leading 164 of the race’s 200 laps to record his eighth victory of the season.

6 p.m. HBO ‘Movie: Promising Young Woman’

Best known to many for her series roles in “Call the Midwife” and “The Crown” (playing Camilla Parker-Bowles in the latter), Emerald Fennell made a formidable feature directorial debut with this 2020 black-comedy thriller, earning an Oscar nod in that capacity and taking the award itself for her screenplay. Carey Mulligan scored a best actress nomination (along with several other accolades) for her fearless performance as a 30-year-old medical school dropout who embarks on a vigilante crusade against men who victimize women. Bo Burnham, Jennifer Coolidge and Alison Brie co-star.

6 p.m. HGTV OUTGROWN

In the new episode “Deploying a Renovation,” hosts Luke Caldwell and Clint Robertson try to help a family that includes two growing boys, whose sports equipment and apparently bottomless collection of toys is eating up space, even while Dad is away on a military tour of duty. Clint and Luke come to the rescue with some imaginative remodeling ideas to find more space where none currently exists in the residence.