In this scene from "Little Minnesota," Ted thinks his sister slept with Barney and he decides to confront her on it. A great reaction from both her and Barney.
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In this great clip from "Little Minnesota," Robin steals Marshall's story in order to impress the people at a local Minnesota bar. She doesn't even replace the word son with daughter.
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A montage of Barney singing songs about Ted's hot sister using various holiday songs as the music. Very funny and we can't wait for the episode!
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How I Met Your Mother Season 4 Episode 11 Quotes

I'm proud to be Canadian. We may not have a fancy NFL team, or Prince, but we invented Trivial Pursuit—you're welcome, Earth. Plus, in Canada, you can go to an all-nude strip club and order alcohol. That's right. From Moose Jaw to the Bay of Fundy, you can suck down a 20-ounce Pilsner while watching some coal miner's daughter strip down to her pelt. Jealous?

Robin

Barney [spins around on chair]: Why, hello, I've been waiting for you.
Ted: Wait a second, that's not our chair. Did you bring that chair yourself?
Barney: I needed one that swivels