Ratings Chart Attack!

CBS grabbed audiences on Monday, setting or matching season highs in viewership and ratings with “How I Met Your Mother” and “Two and a Half Men.”

“Mother” drew a season-high 4.3 rating/10 share in the adults 18- to 49-year-old demographic, according to preliminary Nielsen Media Research data.

The show also brought in a season-high 9.8 million viewers.

“Men” also met a season high with 15.2 million viewers, and tied its season high in adults 18-49 with a 5.3/12. “Worst Week” (3.2/7, 10.4 million) and “CSI: Miami” (4.2/11, 15.4 million) delivered their best numbers since their premieres in late September. “The Big Bang Theory” (3.7/10, 9.7 million) was average.

CBS placed first in adults 18-49 with a 4.1/10 and second in total viewership with 12.7 million viewers.

NBC’s “Heroes” (3.6/8) remains in a holding pattern, tying its lowest original rating ever. “Chuck” increased 8% week-to-week to a 2.6/7, giving the show its highest rating since its season premiere. Recently canned “My Own Worst Enemy” increased one-tenth of a ratings point to a 1.9/5. NBC took third place for Monday night with a 2.7/7.

“Dancing With the Stars” (4.3/11), “Samantha Who?” (3.0/7) and “Boston Legal” (2.2/6) were on par with last week’s performance. ABC placed second in adults 18-49 with a 3.4/8 and first in viewers with 14.5 million.

Fox also held steady from last week, taking fourth with “Terminator: The Sarah Connor Chronicles” (2.0/5) and “Prison Break” (2.3/5) holding near last week’s results. Fox drew a 2.1/5.

“One Tree Hill” (1.3/3) appears to have cooled its hot streak in women 18-34 after a big draw last week, declining 14% to a 3.2/8 in the demo. “Gossip Girl” (1.4/4) increased one-tenth of a ratings point to a 3.5/9. Despite the ups and down, The CW grabbed its 10th Monday victory in women 18-34, the network’s target demographic. The CW scored a 1.4/3 for the night in adults 18-49.