A National Guard tank crew see more and more evidence that they have somehow gone back in time while practising manoeuvers near the Little Bighorn battlesite, the site of Custer's last stand.
A woman's youthful exuberance is proving exhausting to her older, wealthy husband. The man takes an experimental youth serum developed by his scientist brother. The serum works perfectly, and he grows younger and more vibrant. Unfortunately, it doesn't stop there, and he gets younger and younger until he is a toddler.
Sam, an old man, has owned a grandfather clock all of his life. He believes that if the clock should ever stop he will die. To please his granddaughter he sells it to one of his neighbours.
Bunny Blake, a film star, is sent a magic ring by her hometown fan club. When she looks into it, she sees her family and friends from where she grew up, and they implore her to come home.
Businessman Oliver Pope accidentally kills a boy on a bicycle. He flees the scene without stopping to help, but his car will not let him forget and keeps badgering him to admit his guilt.
Prior to leaving on a space mission, Douglas meets a young woman and they fall in love. They realise that the relationship cannot work because on his mission he will be cryogenically frozen, and when he gets back she will be an old woman.
Salvadore Ross finds that he can trade any personality trait or physical condition with anyone else. He tries to use it to win the affections of a young woman.
In a society of the future everyone undergoes a "transformation" procedure when they are nineteen. It makes everybody beautiful and immune to disease. After reading her father's diaries, Marilyn Cuberle decides to refuse the operation.
The front-runners of an alien invasion force disguise themselves as a leather clad motorcyle gang. They plan to poison the Earth's water supply because they believe that all men are intrinsically evil. One of the vanguard falls in love with a girl named Ellen and starts to change his mind about their mission.