Josh, Anna, and their 3 little ones are heading to Chicago, RV-style, to visit Anna's sister Priscilla and her husband David for a special party. | For more 19 Kids and Counting, visit http://tlc.howstuffworks.com/tv/19-kids-and-counting/Subscribe to TLC! | http://www.youtube.com/subscription_center?add_user=tlcGet full episodes of 19 Kids and Counting! | http://bit.ly/19_Kids_EpsCheck out the Best Duggar Daughter Moments! | http://bit.ly/Duggar_DaughterTake the Duggar Quiz! | http://www.tlc.com/tv-shows/19-kids-and-counting/duggars-trivia-quiz.htm#mkcpgn=yttlc1

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