How I Met Your Mother Season 3 Episode 8: "Spoiler Alert"
Ted thinks he finds the perfect woman (guest star Lindsay Price), but his friends all quickly notice a flaw in her that he missed. That gang soon reveals each others' flaws as well and point them out to each other.
Marshall: [looking for his password] Jelly beans, fluffernutter, gummi bears, ginger snaps- this is a grocery list. Robin: For who, a witch building a house in the forest? Marshall: Sugar helps me study. Barney: This is the kind of shopping a ten-year-old does when he's alone for the weekend. Lily: Who leaves a 10 year old alone for the weekend? Barney: And your mom was perfect.