Mitchell and Cameron think their snarky remarks are a bad influence on Lily. Their efforts to be more positive wind up getting them disinvited from a really cool party. Things go from bad to worse when they blame each other for Lily’s incessant sarcasm. The dueling dads feel better when they overhear their daughter team up with Claire as she makes a snarky remark. That’s where she’s getting all that negativity. Cam and Mitch realize they aren’t bad parents. Claire is!