Arrow is struggling to keep viewers interested.
The CW: Arrow (1.8 million/0.6 rating) hit a new low, but Frequency (1.1 million/0.4 rating) perked up.
CBS: Survivor (8.6 million/1.9 rating) remained solid. Presidential Debate (9 million/2.2 rating) and Analysis (7.1 million/1.7 rating) closed out the night.
Fox: Lethal Weapon (6.6 million/1.7 rating) held well. Presidential Debate (6.3 million/2.0 rating) closed the night.
ABC: It was encores of Charlie Brown (7.7 million/2.2 rating). Toy Story of Terror (6.7 million/2.0 rating), Presidential Debate (9.8 million/2.8 rating) and Analysis (7.7 million/2.2 rating).
NBC: Blindspot (5.6 million/1.3 rating) perked up. Presidential Debate (9.2 million/2.8 rating) and Analysis (7.4 million/2.2 rating) closed the night.
Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.