Donnie goes missing and the rest of the Thornberry family have various adventures (broken bones, getting lost in a cave, and a forest fire) while looking for him. It has been screened as a TV movie and as four episodes in season 4 of the TV series.
Courtney decides to go to Camp Caprice for the summer along with Ginger and her friends. Will the spoiled rich girl get used to roughing it or ruin Ginger's chances with a boy named Sasha she meets there? Meanwhile, Carl and Hoodsey plot to stay at home during the summer to catch a dog thief by starting a vampire dog cleaning service while Darren and Miranda are sent to a military camp.