Solid demo numbers for the new reality series "Dog Eat Dog" secured another adults 18-49 victory for NBC on Monday. Meanwhile, CBS' regular comedy block in repeats delivered a nightly win for the network in total viewers, according to early Nielsen data. "Dog Eat Dog" (10.1 million viewers, 4.5 rating/12 share in adults 18-49) at 9 p.m., along with CBS' newsmagazine "48 Hours" (9.2 million, 2.7/8) at 10 p.m. were the only first-run programs for the night. "Dog" ranked easily as the top show on any network in adults 18-49, while in the same 9-10 p.m. time period, reruns of CBS' "Everybody Loves Raymond" (11.9 million, 3.9/11) and "Becker" (10.6 million, 3.0/8) were the most watched programs. For the night, CBS averaged 9.7 million viewers and a 3.0/9 in 18-49, while NBC nabbed 8.8 million viewers and a 3.8/11 in 18-49. ABC (6.8 million, 2.5/7) was third with an encore broadcast of "Meet Joe Black," followed by Fox (4.9 million, 1.6/5) which aired a repeat of "Home Alone 3."