Sam leaps into himself in a 1953 Pennsylvania coal mining town, where he encounters what seem to be familiar faces from people he helped in prior leaps, while learning more about his mission and why he leaps from one point in time to another.

Leap Details: Himself, August 8, 1953, Cokeburg, Pennsylvania / April 3, 1969, San Diego, California

As a young Elvis, Sam risks his career by helping another aspiring singer escape her abusive fiancé.

Leap Details: Elvis Presley, July 3, 1954, Memphis, Tennessee

Sam Beckett leaps into his great-grandfather during the Civil War and must not interfere with his great-grandparents meeting nor get captured behind Confederate lines.

Leap Details: John Beckett, September 20, 1862, Mansfield County, Virginia

Sam leaps into one of a trio of friends who fought in Vietnam and came home with their own personal scars and the memory of a lost buddy. He has to save the life of a friend as well as of a young boy who ventures into the woods of Washington looking for proof of Bigfoot.

Leap Details: Henry Adams, November 6, 1972, Washington state

As the chauffeur of Marilyn Monroe, Sam must save her life and help her to make one final film. Things are complicated when new live in assistant Barbara Whitmore uses Marilyn to further her own acting career by trying to steal her final role.

Leap Details: Dennis Boardman, April 4, 1960, Hollywood, California

After saving Alia from the Evil Leaper Project, Sam is trapped with her in a women's prison with the evil observer Zoey in charge as the prison warden.

Leap Details: Elizabeth Tate, September 16, 1987, Mallard, Ohio

Sam leaps into a college fraternity and again meets Alia from the Evil Leaper Project.

Leap Details: Arnold Watkins, October 8, 1956, North Falls, New York

Sam leaps into an English castle where the occupants practice vampire rituals. He must save the young wife of the castle owner.

Leap Details: Lord Nigel Corrington, March 10, 1975, Outside of London, England

Sam leaps into sex therapist Dr. Ruth Westheimer, plays matchmaker for a couple on the staff of her radio show and helps a woman deal with sexual harassment. Meanwhile, Dr. Ruth spends her time in the Waiting Room, counseling Al on his feelings towards his five wives as well as his relationship with Tina.

Leap Details: Ruth Westheimer, April 25, 1985, Manhattan, New York

Leaping into a housewife and mother of two on the verge of women's lib, Sam must prevent the death of his daughter during a sit in while convincing the girl's father that his marriage can survive a liberated wife and daughter.

Leap Details: Margaret Sanders, October 16, 1968, Connecticut

Sam becomes a sleazy traveling salesman and discovers that he has more than just business contacts in Florida and New York -- he also has two wives.

Leap Details: Marty Elroy, February 25, 1958, Pompano Beach Airpark, Florida

Sam leaps back to Elk Ridge, Indiana to help save the lives of the Walters boys as they try to save their farm from a banker with designs on getting rich from foreclosure.

Leap Details: Willie Walters, December 22, 1971, Elk Ridge, Indiana

Sam leaps 12 years into the future into an attorney who must save Abigail from a murder charge. Abigail, now thirty three, is put on trial for the murder of Leta Aider, the woman whose daughter Abigail was accused of killing almost twenty five years earlier.

Leap Details: Larry Stanton III, July 28, 1978, Baton Rouge, Louisiana

Sam leaps back into the life of Abigail Fuller, this time as her fiancé, who must save her when she again is suspected of a killing.

Leap Details: Will Kinman, June 14, 1966, Pottersville, Louisiana

A pair of unsolved murders marks just the tip of the iceberg when Sam leaps into a sheriff in a small Louisiana town. Rumors of a history of family insanity, the suspicions surrounding his daughter Abigail's involvement in the murders, and ghostly visions of his institutionalized wife just make matters worse.

Leap Details: Sheriff Clayton Fuller, August 8, 1955, Pottersville, Louisiana

Sam finds himself leaping again into Jimmy LaMotta, this time to help mend Connie and Frank's marriage. But Sam's efforts seem in vain, and he quickly discovers he is not the only Leaper around.

Leap Details: Jimmy LaMotta, March 19, 1966, Oakland, California

Sam leaps into a 79-year-old man whose son wants to have him committed when he claims to have seen UFO's. Sam is kept busy as he tries to keep the family together, prevent the future drug overdose of "his" grandson, and avoid the sinister plans of the military, all before the next anticipated UFO sighting.

Leap Details: Maxwell Stoddard, May 21, 1966, Charlemont, Massachusetts

Sam leaps into a tricky situation as an escaped killer holed up in a house with a mother and daughter as hostages. Escape isn't going to be easy for either Sam or his hostages, when the real killer breaks out of the waiting room, stranding Sam in the past, destined to die at the hands of a vengeful sheriff.

Leap Details: Leon Stiles, June 18, 1958, Pine County, Oklahoma

As a double amputee Vietnam veteran, Sam must prevent the suicide of a fellow hospital patient while preserving his own marriage.

Leap Details: Ronald Miller, August 10, 1968, San Diego, California

Sam is a Greek sailor lost at sea with a bratty debutante, who was on what was supposed to be a honeymoon cruise.

Leap Details: Nikos Stathatos, September 27, 1956, Aegean Sea

Sam is in an unusual circumstance when he finds himself leaping into various points of the life of Lee Harvey Oswald. To make the situation more complicated is that Sam finds his mind being taken over by Oswald as he leaps closer to the assassination of John F. Kennedy.

Leap Details: Lee Harvey Oswald, March 21, 1963, Dallas, Texas / October 5–7, 1957, Atsugi, Kanagawa, Japan / January 6, 1959, Tustin, California / October 21, 1959, Lubyanka in Moscow, USSR / April 10, 1963, Dallas, Texas / August 9, 1963, New Orleans, Louisiana / November 21–22, 1963, Dallas, Texas

As a result of leaping again before he had a chance to complete his original mission, Sam finds himself leaping back and forth through the life of Lee Harvey Oswald. Following the sole assassin theory, Sam and Al attempt to prevent Oswald's attack on John F. Kennedy. But, with each leap giving Oswald more control over Sam's body, history seems doomed to repeat itself.