Last night, Fox’s Fringe (1.9/6 in 18-49, 4.6 million viewers) matched its Friday premiere last week in the demo, while its teammate, Kitchen Nightmares (1.7/6, 4 million) was down 11% from its season debut last week. The hold for Fringe is encouraging while the drop for Kitchen Nightmares was surprising as the show faced all-rerun competition this week vs. the series finale of Medium and a first-run Supernanny last Friday. Fringe was once again the top program among adults 18-49, with Fox (1.6/5, 4.3 million) repeating  as No.1 in 18-49 on a night where the only other original offerings were newsmagazines: ABC’s What Would You Do? (1.3/4, down 24%) and 20/20 (1.7/5, up 13%) and NBC’s two-hour Dateline (1.7/6, up 21%). CBS (1.2/4, 7.7 million) was tops in viewers with crime drama reruns. The test for Fringe comes next week when it will face original CSI: NY and Supernatural. (The CW pushed the return of Smallville and Supernatural to next week.)