NBC’s Dateline Thursday Night Mystery averaged 5.4 million total viewers and a 1.1 demo rating across its two-hour run, more than doubling the numbers most recently put up by time slot predecessors Aquarius (2.5 mil/0.5) and Hannibal (1.4 mil/0.4) — both of which are now airing on Saturday evening.

Opening the Peacock’s night, Food Fighters (3.8 mil/0.9) was steady.

Elsewhere….

CBS | A Big Bang rerun drew the night’s largest audience (7.2 million viewers). Big Brother (6 mil/2.0) ticked up week-to-week, while Under the Dome (4.8 mil/0.9) slipped to new series lows.

FOX | Boom! (2 mil/0.7) was steady, while the penultimate Wayward Pines (3.2 mil/0.9) dipped to series lows.

ABC | Astronaut Wives Club (4.5 mil/1.0) rose to best-since-premiere numbers, while Mistresses (3.3 mil/0.8) and Rookie Blue (3.6 mil/0.7) were flat.

THE CW | Beauty and the Beast (1 mil/0.3) inched up a tenth, while Dates (550K/0.1) dipped a precious tenth (I think the invite list for my sons’ bar mitzvah is bigger…?).

Want scoop on any of the above shows? Email insideline@tvline.com and your question may be answered via Matt’s Inside Line.