How I Met Your Mother Season 6 Episode 22
The Perfect Cocktail
When Marshall and Barney argue over the destruction of the Arcadian Hotel their behavior gets them banned from their favorite watering hole. Robin and Lily are distraught over losing possession of their favorite booth as a result and try to mix the right combination of cocktails that will force the guys to make up. Ted meanwhile is fed up with ignoring the elephant in the room and scraps a romantic weekend away with Zoey to stay at the very hotel they are arguing about.