iZombie is down in the ratings this year, but it got a boost from the return of The Flash.
The CW: The Flash (2.7 million/1.0 rating) perked up two-tenths, while iZombie (1.1 million/0.4 rating) gained one-tenth.
NBC: The Voice (9.4 million/1.8 rating) inched upwards, while Chicago Fire (6.8 million/1.3 rating) was steady. Great News (5.2 million/1.2 rating & 4.3 million/1.0 rating) premiered in between.
Fox: Brooklyn Nine-Nine (1.9 million/0.7 rating), The Mick (2.2 million/0.8 rating) and Prison Break (2.8 million/0.9 rating) were all steady with their most recent ratings.
ABC: The Middle (3.9 million/0.8 rating), American Housewife (3.1 million/0.8 rating) and Speechless (2.8 million/0.8 rating) were encores, while Imaginary Mary (2.9 million/0.8 rating) and Agents of Shield (2.2 million/0.6 rating) were in line with recent ratings.
CBS: 48 Hours (5.3 million/0.7 rating) was the only original out of NCIS (7.2 million/0.7 rating) and Bull (6.6 million/0.8 rating) encores.
Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.