The Real Housewives of New York City: Season 6, Episode 3

6 - 3: Model Behavior

Carole and Aviva's explosive fight at Aviva's housewarming spills out into the party, shocking all in attendance. Kristen gets pressure from her husband and Heather to run in a brutally physical mud run. Will she make it to the finish line with her body -- and marriage -- still intact?