A new girlfriend of the Professor thinks that Butch and Prudence are not grounded in reality and should be involved in her children's therapy group. Butch tests whether there is a tooth "elf" by not telling his father when he loses a tooth.—Uber Geek
An associate of the Professor runs a child psychology encounter group, where kids vent out hostilities by kicking dolls, scrawling on walls and answering leading questions, clearly coming out worse for the help she offers. Nanny brings the Everett kids in and her influence has the kids suddenly happy and lovable, even through a scramble when the lab animals are turned loose.—WesternOne