Quantum Leap

Sam is forced to leap repeatedly into the body of Lee Harvey Oswald before completing his original mission, causing him to experience key moments in Oswald's life leading up to the assassination of John F. Kennedy. Working with Al, Sam tries to prevent the shooting, but Oswald's growing control over Sam's actions makes it increasingly difficult to alter the course of history.

Sam is forced to leap repeatedly through the life of Lee Harvey Oswald as a result of not completing his previous mission, and he and Al try to prevent Oswald from assassinating John F. Kennedy. However, with each leap, Oswald gains more control over Sam's body, making it increasingly difficult to alter the course of history.

Sam finds himself in the body of a Greek sailor marooned on a deserted island with a wealthy young woman, where tensions rise as their mutual dislike and frustration with their situation become apparent.

A Marine captain who lost his legs in a Vietnam incident struggles to cope in a veterans' hospital while trying to stop a paralyzed patient from committing suicide. His efforts are complicated by his wife's inability to adjust to their new reality.

Sam finds himself in a tense hostage situation when he leaps into the body of a man being held at gunpoint by an escaped killer who has taken a mother and daughter captive. The situation escalates when the real killer escapes from jail, complicating Sam's efforts to survive and return to the present.

Sam finds himself in the body of a 79-year-old man whose son is trying to have him institutionalized after he claims to have seen UFOs. As he struggles to maintain family unity and prevent his grandson's future drug overdose, Sam also works to thwart a military plot, all while preparing for an upcoming UFO sighting.

Sam returns to Jimmy LaMotta's body on March 19, 1966, but finds that circumstances are deteriorating despite his lack of action. As history begins to shift for the worse, Sam uncovers the presence of another time traveler who is actively working to sabotage Jimmy's family and eliminate Sam.

A sheriff in a small Louisiana town confronts the aftermath of two unsolved murders, complicated by local rumors of family madness, suspicion of his daughter's involvement, and haunting visions of his wife, who is confined to an institution.

Sam returns to a small Louisiana town and finds himself in a difficult situation when Abigail, now twenty-one and his fiancée, is accused of involvement in the disappearance of a young boy she was babysitting, prompting an angry mob to threaten her with lynching.

An aging lawyer, Sam, is recruited by thirty-three-year-old Abigail to defend her in a murder trial for Leta Aider, the woman whose daughter Abigail was once accused of killing nearly twenty-five years earlier.

On December 22, 1971, Sam is transported to Elk Ridge, Indiana, where he attempts to prevent the foreclosure of the Walters family farm and protect the two brothers involved in the struggle.

Sam, a traveling brush salesman known for playing with horses, is caught in a complicated situation involving two wives and two families. Ziggy suggests his task is to decide between the two lives, but the challenge is heightened by the uncertainty of making the correct choice. To make matters worse, his impoverished host is in deep financial trouble with two bookmakers.

Sam leaps into the body of a 1968 housewife and mother of two who is becoming involved in the women's liberation movement. He works to prevent his daughter's death during a protest sit-in and helps the family's patriarch come to terms with the changing roles of women in the household.

Sam navigates the challenges of 1985 while hosting her radio show, mediating between her producers, and assisting a secretary dealing with harassment from her boss. Meanwhile, Dr. Ruth Westheimer helps Al explore his emotions regarding his five wives and his connection with Tina in the Waiting Room.

Sam investigates a mysterious artist's home near London, where Al's fears clash with local superstitions surrounding a blood moon, as a sinister couple prepares a ritual that threatens the life of the artist's young wife.

Sam, as Arnold Watkins—the Midnight Marauder—tries to stop a fraternity from using dangerous chicken races in their hazing, while Al urges Arnold to abandon his vengeful quest for those responsible in his parents' deaths. Meanwhile, the appearance of Alia, an evil time leaper, complicates Sam's mission as he resolves to take her with him when he leaps.

Sam and Alia find themselves trapped in a women's prison after a simulated leap, mistakenly accused of murdering an inmate. While they try to uncover the real killer, they must also conceal Alia's presence from Zoey, another leaper who has arrived at the same time and place to confront her for a past betrayal.

As Marilyn Monroe's chauffeur, Sam tries to avert her impending tragedy, but his efforts lead to unintended consequences that threaten her career, even as they may save her life.

Sam jumps into the body of Henry Adams, a Vietnam veteran haunted by the past and the memory of a fallen friend. Alongside his companions, he must prevent the death of his friend Roy and a young boy, Daniel, who goes missing in the Washington woods searching for Bigfoot.

Sam is transported to September 20, 1862, and finds himself in the body of his great-grandfather, Captain John Beckett, during the Civil War. He must navigate a romantic entanglement with a passionate Southern woman named Olivia while avoiding capture and execution by Confederate home guard soldiers who suspect him of being a Union spy.

Sam ensures Elvis Presley becomes the King of Rock and Roll while also helping Sue Anne avoid a loveless marriage.

Sam arrives in a coal-mining town where things are not as they seem—people don't recognize him, and strange events are unfolding. With the help of another man named Al, Sam seeks to correct a wrong, though it's unclear how many changes he must make.