Jerry is disgusted when he sees a tube of fungicide in the medicine cabinet of his girlfriend Tawni. He takes the tube home and asks Elaine to get her podiatrist boyfriend to identify what it is used for, but they bicker over whether he is "really a doctor". He later finds out that her fungicide was only being used for her cat. At Elaine's apartment, she and her boyfriend are reconciled until he sees the tube of fungicide and is disgusted, thinking Elaine has a fungal infection.