Keifer Sutherland, Sam Waterston Keifer Sutherland, Sam Waterston

24 and Law & Order aired their series finales on Monday night to middling ratings.

The Fox spy series drew only 8.9 million viewers, a 13 percent drop from its Season 7 finale. After 20 seasons, Law & Order went off the air with only 7.6 million viewers, down 12 percent from last week's episode and 5 percent down from last year's season finale.

How did Jack Bauer say farewell in the series finale of 24?

Of the other finales that aired on Monday night, only The Big Bang Theory showed a gain, helping CBS to win the night overall.  The geek comedy drew 14.8 million viewers, up 41 percent over its last season-ender.

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The other four CBS finales — How I Met Your Mother (8.2 million), Rules of Engagement (8.2 million), Two and a Half Men (15.4 million) and CSI: Miami (12.4 million) — were each down from their respective finales last season.

Chuck's two-hour season finale on NBC brought in 5.1 million viewers, about the same as last week's episode and last season's finale.

Read our recap of the season finale of Chuck

Over on ABC, Dancing with the Stars drew 19.1 million viewers, its lowest-rated Monday night this season. The Bachelorette also lagged, with only 9.2 million tuning in for the season premiere. 

Which shows did you watch on Monday?