The War Against Gingivitis (S09E18)

S09E01 Nice to Meet You, Walden Schmidt S09E02 People Who Love Peepholes S09E03 Big Girls Don't Throw Food S09E04 Nine Magic Fingers S09E05 A Giant Cat Holding a Churro S09E06 The Squat and the Hover S09E07 Those Fancy Japanese Toilets S09E08 Thank You for the Intercourse S09E09 Frodo's Headshots S09E10 A Fishbowl Full of Glass Eyes S09E11 What a Lovely Landing Strip S09E12 One False Move, Zimbabwe! S09E13 Slowly and in a Circular Fashion S09E14 A Possum on Chemo S09E15 The Duchess of Dull-in-Sack S09E16 Sips, Sonnets and Sodomy S09E17 Not in My Mouth! S09E18 The War Against Gingivitis S09E19 Palmdale, Ech S09E20 Grandma's Pie S09E21 Mr. Hose Says 'Yes' S09E22 Why We Gave Up Women S09E23 The Straw in My Donut Hole S09E24 Oh Look! Al-Qaeda!