TV LOOKOUT

** ADVANCE FOR WEEKEND, SEPT. 17-18 **n this undated publicity photo released by CBS, actors, from left, Neil Patrick Harris, Cobie Smulders, Josh Radnor, Jason Segel and Alyson Hannigan appear in the new CBS series « How I Met Your Mother, » which premieres at 8:30 p.m., EDT, Monday, Sept. 19, 2005. (AP Photo/CBS, Ron P. Jaffe) 2005 CBS BROADCASTING INC. All Rights Reserved.

CBS « How I Met Your Mother » is a smart, sexy new comedy in the « Friends » tradition, with, from left, Neil Patrick Harris, Cobie Smulders, Josh Radnor, Jason Segel and Alyson Hannigan.