How I Met Your Mother: Season 5, Episode 12

5 - 12: Girls vs. Suits

Ted meets Cindy (Rachel Bilson), a student (PhD candidate) who is close to his own age and who happens to be roommates with his future wife. Barney, meanwhile, tries to pick up a hot bartender (Stacy Keibler) who hates guys in suits by wearing casual clothes leading to a musical number performed by the entire cast