New Girl Season 1 Episode 5 (11/08/11)
After a lover's tiff Cece asks to crash in Jess' apartment. Schmidt and Winston become putty in her hands, but it's Winston who "closes with her" in the most innocent way possible. Cece sees the interaction between Jess and Nick and notes that Nick's body language indicate he likes Jess. This sends Jess into a panic, and leads to her acting weirder than usual.