Iain De Caestecker, Brett Dalton

Marvel's Agents of S.H.I.E.L.D. fell to another series low Tuesday.

The drama pulled in 6.6 million viewers and a 2.2 in the adults 18-to-49 demographic, down three tenths and falling below 7 million viewers for the first time. Nevertheless, lead-outs The Goldbergs (5.2 million, 1.7) and Trophy Wife (3.8 million, 1.2) both inched up.

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NBC won the night, led by The Voice (11.4 million, 3.4), which was flat. The Biggest Loser (6.3 million, 1.9) dipped two tenths and Chicago Fire (7.8 million, 2.2) rose a tenth. 

CBS' lineup was flat, except for Person of Interest (12.5 million, 2.0), which improved a tenth.

Fox's comedies all dropped, while The CW's The Originals (2.4 million, 1.1) and Supernatural (2.3 million, 1.0) both improved a few tenths.

8 p.m.
CBS: NCIS 19.2 million viewers (2.9 demo rating)
ABC: Marvel's Agents of S.H.I.E.L.D. 6.6 million (2.2)
Fox: Dads 3.2 million (1.2); Brooklyn Nine-Nine 3.3 million (1.4)
NBC: The Biggest Loser 6.3 million (1.9) 
CW: The Originals 2.4 million (1.1)

9 p.m.
CBS: 
NCIS: Los Angeles 14.7 million (2.4)
ABC: The Goldbergs 5.2 million (1.7); Trophy Wife 3.8 million (1.2)
Fox: New Girl 3.3 million (1.7); The Mindy Project 2.6 million (1.3)
NBC: The Voice 11.4 million (3.4)
CW: Supernatural 2.3 million (1.0)

10 p.m.
CBS:
 Person of Interest 12.5 million (2.0)
ABC: Scandal for Real: The Top 10 Political Scandals of the Century 2.8 million (0.8)
NBC: Chicago Fire 7.8 million (2.2)