While Pam fills in for Dr. Huxtable's assistant on a Saturday, one of his patients, Mrs. Minnifield, ends up giving birth in a cab after she ignores his instructions and heads for the hospital too late. Meanwhile, Rudy becomes jealous when Kenny shows up with a girl named Deirdre to work on a group project with her and Stanley. But Rudy soon stops being jealous when she feels that Kenny made up the whole thing just to try and get to her. Kenny begins to feel bad after he learns that Deirdre has actually liked him for a long time. He eventually convinces both Rudy and Deirdre to forgive him, and they agree to go on double dates sometime.