Mr. Sanders and his wife go to Fat Camp to see if their son has lost weight. After discovering that he has not lost any weight, he decides to take him out of camp and gets into an argument with the counselors and threatening them that he will call all the campers' parents to come for their children. Later in the episode, his son reveals that Eric Cartman was selling candy to the campers while the counselors not watched then. He along with the other parents, decided to leave their son at camp giving the counselors another chance.
Mr. Sanders wears an ill-fitting light blue jacket, dark green pants and black shoes. He has a thick mustache and curly black hair that is similar to his son's. Like all other campers' parents, he is obese.