April 6, 2016 1:30 pm This Week on Open House Don’t miss an all-new Open House this weekend on NBC. Check local listings for air times in your area. Local 2:20 Toddler stabbed to death by 6-year-old brother in Joliet 2:08 Jennifer Lopez stuns at first red carpet after Ben Affleck split 0:58 Rare 1787 copy of US Constitution is up for auction and it could be worth millions 0:52 What is the Guardian Cap on football helmets? 1:47 Carrie Underwood shares how her son is becoming a football fan