CBS Says Goodbye to Mom After Eight Seasons and 180 Episodes

Allison Janney’s sitcom tenure comes to an end tonight with the series finale of Mom, CBS’ long-running comedy. The Chuck Lorre series premiered in 2013 as a two-hander starring as Janney and Anna Faris as an estranged mother/daughter duo struggling with addiction who attempt to pull their lives and their relationship together by trying to stay sober. Faris exited the series last year, and CBS announced the series' end this past February.

Also today: ESPN takes viewers inside the WNBA, Jean Smart stars in the new HBO Max comedy Hacks, and Grey's Anatomy re-airs a classic 2006 episode. Here’s what’s new and noteworthy on TV this Thursday:

SERIES FINALE: Allison Janney's CBS sitcom Mom draws to a close as Bonnie (Janney) gains a new outlook on her sobriety and Jill (Jaime Pressly) and Andy (Will Sasso) embark upon a new chapter in their relationship. With guest stars Melanie Lynskey and Rondi Reed. Watch preview. 9:00 PM ET on CBS

DOCUMENTARY: Step inside the WNBA bubble in 144, a feature documentary about the league’s unprecedented 2020 season. The ESPN-produced doc puts the players’ willpower on full display as they fight for social justice, respect, and the season itself. Read our review. 9:00 PM ET on ESPN

SERIES PREMIERE: Primetimer favorite Jean Smart stars as a veteran comic who's assigned a 25-year-old writer (Hannah Einbinder) to freshen up her act in Hacks, HBO Max’s new comedy from the masterminds behind Broad City. The first two episodes drop today, with subsequent episodes streaming weekly. Watch trailer. Streaming on HBO Max

ENCORE PRESENTATION: ABC is counter-programming Mom's series finale tonight with a two-hour re-airing of Grey's Anatomy's classic two-part bomb-in-a-chest-cavity episode. Part one originally aired after the 2006 Super Bowl and was the show's most-watched episode ever. With guest stars Kyle Chandler and Christina Ricci. 8:00 PM ET on ABC

SEASON FINALE: Sheldon's (Iain Armitage) fraternal twin Missy (Raegan Revord) deals with her first heartbreak in an emotional Young Sheldon Season 4 finale that leads the entire Cooper family to the brink. Watch preview. 8:00 PM ET on CBS

NEW EPISODES: Worlds collide in a Law & Order: SVU and Law & Order: Organized Crime crossover event that sees Benson (Mariska Hargitay) turning to her old pal Stabler (Christopher Meloni) for help when a case gets personal. Watch preview. 9:00 PM ET and 10:00 PM ET on NBC

NEW EPISODE: When ViCAP links the River Murders to a pharmaceutical company, Clarice (Rebecca Breeds) turns to the company’s corporate accountant (guest star Jen Richards) for help. Watch preview. 10:00 PM ET on CBS

COMPLETE FOURTH SEASON: Anime series Castlevania returns for a fourth and final season that finds monster hunter Trevor Belmont (Richard Armitage) squaring off with Count Dracula (Graham McTavish) one last time. Watch trailer. Streaming on Netflix

Claire Spellberg Lustig is the Senior Editor at Primetimer and a scholar of The View. Follow her on Twitter at @c_spellberg.