The ghost drama took 2.03m in the 9pm hour, while prior to that, Smallville pulled in 2.59m for The CW network.
Meanwhile, a repeat of House delivered 3.37m for Fox, then a new episode of The Good Guys held 2.71m.
Supernanny, Primetime and 20/20 scored for ABC with respective audiences of 4.43m, 4.96m and 6.93m, while Medium, CSI: NY and Blue Bloods attracted 7.34m, 10.24m and 11.31m.
Over on NBC, School Pride educated 2.54m at 8pm, after which 5.77m watched Dateline, and planet documentary Harmony interested 3.71m at 10pm.
Overall in terms of young adults, ABC narrowly beat CBS in primetime with 1.6/5 to 1.5/5. The CW followed with 1.0/3, and NBC and Fox were tied in last place with 0.9 each.