Chick-fil-A in Merrillville wants to invite you to family night every Tuesday night 5:30-7:30 PM. Join Chick-fil-A in their family night as they have fun together and enjoy some great food at the same time. The theme for family night changes each week, will this week be a family photo booth? Christmas in July? Cow Night? With 52 weeks a year of Family Night the possibilities are endless. Head to the Merrillville Chick-fil-A calendar to see the theme for each week.