Thursday TV Ratings 5/13/21: Mom Rises for Series Finale, Manifest and Rebel Eye Series Lows, Law & Order: Organized Crime Rises for SVU Crossover (UPDATED)

Preliminary Analysis: CBS's long-running sitcom 'Mom' (0.7) ended its 8-season stint in respectable fashion. The Allison Janney comedy rose a tenth from last week and found itself smack-dab in season high territory. The 'Young Sheldon' season finale (0.7) and 'United States of AI (0.6) each ticked up, but the 'B Positive' finale (0.5) and 'Clarice' (0.3) failed to make any gains. On NBC, 'Manifest (0.4) fell to its lowest rating yet, losing a tenth on a week-to-week basis. 'Law & Order: SVU' (0.7) lost a tenth as 'Law & Order: Organized Crime' (0.7) managed to gain one at 10. ABC's 'Rebel' (0.3) crashed to a series low, the Katey Sagal drama had much less lead-in support than usual since 'Grey's Anatomy' (0.4/0.4) went into repeat-mode. 'Last Man Standing' (0.3) and 'Let's Be Real' (0.2) were unchanged on Fox, with 'Last Man' airing its last episode before next week's series finale. 'Walker' (0.1) and 'Legacies' (0.1) also matched their previous showings on the CW.

Finals Update: 'Law & Order: SVU' (0.8, +0.1), the 'B Positive' finale (0.6, +0.1), a repeat of 'Grey's Anatomy' (0.5, +0.1), 'Last Man Standing' (0.4, +0.1), and 'Rebel' (0.4, +0.1) adjusted up.

Time	Show	18-49 Rating	Viewers (mil)	Network
8 PM	Young Sheldon (F)	0.72	7.21	CBS
	Grey's Anatomy (R)	0.45	2.95	ABC
	Manifest	0.40	2.95	NBC
	Name That Tune (R)	0.31	1.47	Fox
	Walker	0.14	0.90	The CW
8:30 PM	United States of Al	0.57	5.23	CBS
9 PM	Law & Order: SVU	0.77	4.45	NBC
	Mom (Series Finale)	0.72	6.17	CBS
	Grey's Anatomy (R)	0.45	2.95	ABC
	Last Man Standing	0.36	2.35	Fox
	Legacies	0.11	0.50	The CW
9:30 PM	B Positive (F)	0.55	4.42	CBS
	Let's Be Real	0.17	0.89	Fox
10 PM	Law & Order: Organized Crime	0.73	4.45	NBC
	Rebel	0.36	2.52	ABC
	Clarice	0.28	2.26	CBS