Lily & Marshall realize Ted may have ulterior motives for being Marvin's nanny on How I Met Your Mother. "Lobster Crawl" is the ninth episode of the show's eighth season.
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How I Met Your Mother Season 8 Episode 9 Quotes

Why should bibs only be socially acceptable when you're eating lobster?

Barney

Do it! If you ever wanna see these boobs again, crawl you sonnova me!

Lily