Ep 19. What to Expect When Bart's Expecting

In The Simpsons season 25 episode 19, titled "What to Expect When Bart's Expecting," Bart experiences a bizarre and unexpected transformation after coming into contact with a mystical frog during a science field trip. The following day, Bart awakens to find that he has become pregnant with a clutch of eggs, much to the shock and confusion of his family and friends.

As Bart struggles to come to terms with his strange new condition, his parents Homer and Marge attempt to get to the bottom of what has happened to him. Consulting with various experts, including Dr. Hibbert and Professor Frink, they learn that Bart's transformation is the result of exposure to a rare and powerful amphibian toxin.

Meanwhile, Bart must deal with the challenges of being an expectant father, including cravings for strange foods and difficulty getting around with his growing belly. He also faces discrimination and ridicule from his classmates and teachers who do not understand his situation, particularly after he lays his eggs in class one day.

Throughout the episode, The Simpsons tackles themes of gender norms, relationships, and the limits of science. Despite the wacky premise, the show manages to find moments of heart and humor in Bart's unexpected pregnancy, highlighting the resilience and compassion of the Simpson family amidst the most bizarre of circumstances.

Ultimately, "What to Expect When Bart's Expecting" proves to be an entertaining and thought-provoking episode of The Simpsons, showcasing the show's continued ability to be both hilarious and socially relevant after 25 seasons on the air.