Family Guy 501 plot

A flu epidemic sweeps Quahog so Peter goes to a clinic to get a flu shot.Dr. Hartman suggests that Peter get a prostate exam after finding out that he has never had one. Peter freaks out when the doctor put his finger in Peter's anus. Lois tells Peter that there is nothing wrong with the exam
after Peter told her that he was raped by Dr. Hartman.Meanwhile, Stewie's attitude toward Lois changes after Lois saved Rupert, a stuffed bear, from a vicious dog.Peter decides to sue Dr. Hartman after finding out that Joe, Cleveland and Quagmire all have been violated by the doctor.At the court, Peter exaggerates about the exam and he wins the case.Dr.Hartman's licence is revoked.
While bragging about his victory at the Drunken Clam with his friends, Peter suspects that something is wrong with his prostate due to his frequent urination.But no doctor in his town would treat him because of his lawsuit against Dr. Hartman. Peter has no option but to go to Dr. Hartman's house, he disguises as a delivery man, Dr. Harman sees through this but the doctor examines his prostate anyway and he reveals that it's not a serious problem.
Lois is tired of Stewie's clinging to her and tries to ignore him, Stewie is enraged and starts to hate his mother again.