Grey's Anatomy (7.6 million/1.1 rating) returned from a one-week break to reveal the truth about what happened to Megan Hunt.
The veteran ABC sudser dipped 10 percent in the demo.
Fox: The Orville (4.2 million/1.2 rating) returned after a brief hiatus and surged almost one million viewers. Gotham (2.8 million/0.9 rating) perked up week-to-week.
The CW: Supernatural (1.9 million/0.6 rating) and Arrow (1.4 million/0.5 rating) were on par with their week ago results.
NBC: The Good Place (4 million/1.1 rating) was steady, but Superstore (4.6 million/1.2 rating), Will & Grace (6.6 million/1.8 rating), Great News (4 million/1.0 rating) and Chicago Fire (6.5 million/1.2 rating) ticked up.
CBS: Thursday Night Football (8.1 million/2.2 rating) was the highest-rated telecast last night.
Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.