Article continues below advertisementJoseph Duggar has pleaded not guilty to child endangerment and false imprisonment charges.The disgraced reality star insisted his innocence on charges made against him and wife Kendra Duggar, who also pleaded not guilty, in Arkansas. His next court date for the case is scheduled for August 10.Joseph's plea in district court this week is separate from brutal charges of child molestation he faces after being accused of sexually abusing a 9-year-old girl in Florida.