Saturday TV Ratings 9/30/23: ABC Leads with Notre Dame v. Duke College Football Game, NBC A Distant Second with Michigan State v. Iowa (UPDATED)

Ratings Analysis: ABC's broadcast of the 'Notre Dame vs. Duke' college football game (1.18) demolished NBC's 'Michigan State vs. Iowa' game (0.39) in the Adults 18-49 demographic. The gap was similar in total viewership as ABC managed 5.3 million, while NBC put up about 2.2 million. Fox was close behind NBC with 'MLB Regional Coverage' (0.33). On CBS, '48 Hours' (0.19, 0.00) was even with its last episode from two weeks ago (0.19). The network scheduled a '48 Hours' rerun (0.16) at 9 p.m. and a 'NCIS: Hawai'i' one (0.21) in the 8 p.m. hour. 'Great Chocolate Showdown' (0.03, -0.02) slipped on the CW and led into repeats of 'Masters of Illusion' (0.05/0.03).

Finals Update: 'College Football: Notre Dame v. Duke' (+0.3), 'MLB: Regional Coverage' (+0.1), and the repeat of '48 Hours' (+0.1) adjusted up.

Time	Show	18-49 Rating	18-49 Share	Viewers (mil)	Network
8 PM	College Football: Notre Dame v. Duke	1.18	11	5.32	ABC
	College Football: MI St. v. IA	0.39	4	2.17	NBC
	MLB: Regional Coverage	0.33	3	1.68	Fox
	NCIS: Hawai’i (R)	0.21	2	1.77	CBS
	Great Chocolate Showdown	0.03	0	0.37	The CW
9 PM	48 Hours (R)	0.16	1	1.74	CBS
	Masters of Illusion (R)	0.05	1	0.32	The CW
9:30 PM	Masters of Illusion (R)	0.03	0	0.27	The CW
10 PM	48 Hours	0.19	2	2.42	CBS