Lois & Clark: The New Adventures of Superman

A scientist discovers a way to steal the youth of young people and transfer it to old people, and one of their victims is Jimmy, who becomes an old man. Lois and Clark must find a way to revert the process and give Jimmy his youth back, but then Lois finds out that Superman's lifetime is longer than hers. After resolve the youth problem, Lois and Clark buy a new house.