"Natural Born Kissers" is the twenty-fifth and final episode of the ninth season of the American animated television series The Simpsons. It originally aired on the Fox network in the United States on May 17, 1998. Homer and Marge discover that the fear of getting caught while making love is a turn on and start making love in public places. It was the first episode written by Matt Selman and was the only episode to be directed by Klay Hall. Some networks list the episode by the title, "Margie, May I Sleep with Danger?".

"Lost Our Lisa" is the twenty-fourth and penultimate episode of the ninth season of the American animated television series The Simpsons. It originally aired on the Fox network in the United States on May 10, 1998. The episode contains the last appearance of the character Lionel Hutz. When Lisa learns that Marge cannot give her a ride to the museum and forbids her to take the bus, she tricks Homer into giving her permission. After Lisa gets lost, Homer goes looking for her and the two end up visiting the museum together.