Oh boy. After an OK start on Sunday with the benefit of a football lead-in, Fox’s new social experiment reality series Utopia (0.9 in adults 18-49) dropped 55% in its Tuesday time-slot premiere. It again went head to head at 8 PM with CBS’ Big Brother (2.3) — from the same creator as Utopia, John de Mol — and was topped handily by the veteran CBS reality series, also of the social experiment genre. In its move to Tuesday as part of a scheduling tweak to accommodate Thursday football on CBS, Big Brother was on par with its episode last Wednesday and the highest-rated program of the night.

Fashion Rocks will likely go back to non-televised purgatory after last night’s two-hour special on CBS. The event’s first telecast since 2008 drew a minuscule 0.6 in 18-49 despite the big Big Brother lead-in.

With the summer TV season coming to a close, last night featured three reality series finales, none rising above a 1 demo rating. Fox’s Hotel Hell (0.9) was down 31% from its most recent episode, which aired on Monday with a MasterChef lead-in for a better Gordon Ramsay-themed flow. ABC’s Extreme Weight Loss finale (1.0) was up a tenth from last week, while NBC’s Food Fighters (1.0) was down a tenth. NBC veteran America’s Got Talent (1.9) was up a tenth from last week’s Tuesday low. NBC won the night in 18-49 (1.6) and total viewers (8 million).