How I Met Your Mother Season 8 Episode 9 (12/03/12)
-Lily and Marshall let Ted watch Marvin this week, but soon regret their decision. Robin flirts with Barney and Lily calls her out for trying to have what she can't. Barney stains a beloved tie and invents a line of adult bibs. Barney ignores all of Robin's ploys for affection and goes on a date with her nemesis.