A dentist comes to Qyah and Molly is glad because she's been having a toothache lately, which the dentist diagnoses as a cavity. Just as Molly is announcing an upcoming vlog about her dental appointment, her older cousin Randal phones her and shows a video made by a boy who describes a ghastly experience with his own dentist. Now overcome with a new fear of dentists, Molly tries to hide and ends up getting Tooey, Trini, and Oscar to hide with her. In an effort to find a bigger hiding place, their cover is blown when they try hiding in the bunkhouse and the dentist plans to stay overnight in the same building...