Hazel makes Zuri a counselor in training in the weasel cabin, much to Hazel's dismay; Jorge and Griff tell Ravi that the camp's horse has a secret talent.
Jorge wins a dinner with his favorite horror writer, Stephanie Queen, and brings some of his fellow campers along; Xander acts as referee between Emma and Ravi.
Zuri, Jorge and Tiffany enlist the support of an unexpected camper to help restore an abandoned tree house they found as their new hangout. Meanwhile, Emma and Lou, Ravi and Xander get competitive during a friendly game of billiards.
A strange, toxic fog overtakes Camp Kikiwaka causing the campers to develop bizarrely altered personalities and it's up to the camp counselors to save the day.
Lou is in awe when her hero, the legendary Christina Ross, pays a visit to Camp Kikiwaka; the boys from Grizzly Cabin head out for an overnight camping trip.
After disobeying Ravi's wishes when on a hike, Zuri, Tiffany and Jorge get into a muddy situation; Lou imagines what her life would be like in 1916 with her crush.
When Lou decides to leave Camp Kikiwaka after she learns about the passing of her dog, the campers get together to help her realize how much she means to them.
Emma, Tiffany and Zuri are not happy when Lou's new puppy, Chuck, wreaks havoc on the Woodchuck cabin; Ravi encourages Jorge to do his best to set a camp record in order receive a plaque.