April 27, 1960: As Tom McBride, a New York City cop on his honeymoon, Sam must save himself from a jealous, and sociopath, ex-husband. To make matters worse, the Project's funding will be cut off, stranding Sam alone in the past, unless he can prevent the U2 flight from being shot down over Russia.

April 1, 1976: As a stuntman, Sam is to save the life of his younger brother, while trying to convince the pair's obsessive father to let the younger son go his own way, even if it means going into country-western music, rather than following the family tradition of stunt work.

August 4, 1953: As a sailor returning from Japan, Sam brings a foreign wife to a small town. He then has to fight against the prejudice of both a scheming ex-girlfriend, as well as his mother, in order to gain acceptance of his new bride.

October 16, 1961: Sam is shocked when he learns he's leaped into a woman, Samantha Stormer. As a gorgeous secretary for an automobile company, Sam has to cope with sexual harassment by the boss, a suicide attempt by a roommate, and the effect his looks have on Al's lecherous tendencies.

February 6, 1964: Although the concert pianist he leaps into is blind, a fact, which bothers his girlfriend's disapproving mother, Sam can still see. At least until an exploding flashbulb blinds him at the crucial moment: when he must rescue his girlfriend from a serial killer.

September 9, 1959: Rock 'n' roll is about to become big, but not in Peoria. That is, unless Sam, as DJ Howlin' Chick Howell, can manage to keep the radio station where he's employed from being shut down by overly conservative town elders.

February 2, 1974: Sam's task as a rabbi is to keep his sister-in-law from falling for a sleazy author and ruining her life. In the process he also helps the family recover from the year-old death of their son.

October 14, 1964: Since mainstreaming the mentally ill is not yet a popular concept, Sam must help Jimmy LaMotta, the "slow" young man he's leaped into, get a job and gain his co-workers' acceptance, to prevent his brother from returning Jimmy to the institution.

July 29, 1957: Though he can't remember much more than habeas corpus, Sam finds himself the defense attorney for a young black woman accused of murdering the son of the most powerful man in a small Louisiana town.

May 21, 1979: Sam leaps into Ray Hutton, the understudy for the role of Cervantes just seconds before curtain time. His mission: prevent the drunken star from falling and seriously injuring himself during a benefit performance of "Man of La Mancha." Sam isn't helped by the presence of his former piano teacher, on whom he once had a crush, and who now appears to have caught the star's eye as well.

February 7, 1971: Sam leaps into a renowned parapsychologist where he must prevent a young widow from joining her husband at the bottom of a lake, while proving that she's not crazy, despite her claims of hearing her dead husband calling to her.

October 19, 1967: Trapped in the body of Knut Wileton, better known as "Wild Thing," the typical frat jock, Sam must win the confidence of an attractive campus radical before she bombs the college's chemistry building as a protest against the war in Vietnam.

September 30, 1981: As a divorced mother of three, Sam's job of preventing his teenage son from running away, never to be seen again, is made more interesting by the fact that his youngest daughter can see both him and Al.

November 6, 1962: Keeping his best friend from throwing the high school championship football game, costing both of them their scholarship offers, Sam must also get their families to consolidate.

September 26, 1973: Protecting a female member of the witness protection program from a mafia hitman proves difficult for Sam, since the FBI appears to have an informant confounding his attempts to hide her.

November 22, 1970: Rather than saving his grandfather's life, Sam has to escape from jail and elude the police long enough to get them both to the reservation, where the old man can die in peace, at home.

November 9, 1957: Rather than saving the damsel of the episode, who supposedly committed suicide, Sam is the coroner trying to prove that she was murdered, and find out by whom.

September 4, 1954: In order to help his granddaughter save a small bar from the slimy loan shark holding a note on the place, Sam has to play pool like a pro...with a little help from Al and Ziggy.

November 18, 1958: Sam remembers he's afraid of heights when he leaps into a trapeze artist, whose sister wants him to catch her as she does a triple without a net. Dad is less than pleased, since his wife died a few years earlier while attempting the same stunt.

March 11, 1963: Babysitting a kidnapped tot and a flaky, compulsively lying stripper keeps Sam busy as they cross Texas, on the run from the legal father and a squad of cops.

June 3, 1954: Aboard an ocean liner, Sam must stop the marriage of a young man's ex-wife to a mobster. In the process, he finds himself in one heck of a mess in the ship's garbage compartment.

April 1, 1969: When Sam leaps into the life of an undercover cop, Al explains that his mission is to convince a navy nurse that her MIA husband is still alive, and to prevent her from marrying a lawyer she meets on the day Sam leaps in. But a series of coincidences causes Sam to wonder about the true nature of his mission.

June 15, 1945: Struck by lightning, Sam and Al find their roles reversed, as Sam returns to the future, and to a long-lost love, while Al leaps back to 1945 to prevent the death of a returning World War II hero and his former girl friend.

August 6, 1961: A pitcher on a minor league baseball team, Sam must decide if he's there to help a fellow team member, get his host back into the major leagues, or baby-sit the porcine team mascot, all while resisting the amorous advances of the women in his life.

August 17, 1969: Sam meets Camille, and possibly a killer, when he leaps into a deputy sheriff in a small Mississippi town, lying in the path of a deadly hurricane.

May 11, 1965: Sam must don the robe of a Ku Klux Klansman in order to save the life of an ambitious young civil rights leader, who is trying to register black voters.

June 2, 1983: Sam leaps into Frank Bianca, a hairstylist in leather pants, to prevent the death of a young murder witness and his mother.

June 20, 1980: It's up to Sam to try to bring a rapist to justice when he leaps into the perp's victim, a young woman who may have been unwilling to press charges against the young man - the son of the pillar of the community.

January 24, 1961: The fates make a monkey out of Sam when he leaps into Bobo, an astro-chimp who must avoid succumbing to the experiments of an Air Force neurologist.

February 28, 1979: It's more like a nightmare when Sam leaps into a detective, investigating a gruesome murder. He may be next if he doesn't find out who eviscerated the victim and his only hope is the victim's catatonic son and her husband's psychiatrist. The horrific flashbacks he's experiencing don't help matters much either.

September 7, 1953: A devastating drought will be the ruin of a small town unless Sam, as Billy Beaumont, "purveyor of precipitation and maker of rain," can find a way to make it rain, while keeping his family together in the process.

November 2, 1956: Sam and a fellow convict named Boone are the defiant ones when Sam has to rescue his companion from a fifteen-year sentence on a chain gang.

September 9, 1969: May meets December when Sam leaps into a young actor in love with an older woman, who is also an aspiring singer. If he can't boost her confidence and help her get her career on track, she will face a "fate worse than death," returning with her son to Cleveland.

June 11, 1964: As a track star in a Navy college, Sam must prevent the death of his ex- roommate, who was expelled because he was gay, and who is slated to die at the hands of a group of bigoted cadets.

February 1, 1985: A serial killer stalks San Francisco while Sam as Dillion Powell, a TV reporter, protects a beautiful psychic who's working on the case, from becoming the next victim. The young lady is very clear of sight, as Sam and Al soon discover.

November 28, 1957: Sam finds himself in the life of Tyler Meanes, a teller of tall tales who faces death at the hand of an old friend in a shootout at high noon.

April 7, 1963: As a backup singer in a black, amateur girl group Sam finds between the fifteen year-old lead singer and her father as he attempts to rescue the girl from a sleazy night club owner's clutches.

August 13, 1956: Flying over the Bermuda Triangle, Sam, as the co-pilot, must prevent the flight from returning to Virginia, to get a seriously ill passenger to a doctor before she dies. Flying through the triangle is riskier than it seems, and Sam, deprived of Al's help when the hologram fades out, must get them through alive.

January 27, 1982: Sam, as "Roberto!" is a tabloid talk show host a la Geraldo who, with an asthmatic rival and co-worker, tries to uncover a mystery at a local chemical plant, a mystery, which may prove to be deadly for his co-worker.

May 10, 1958: Sam finds himself behind the wheel of a New York taxicab, in the life of Max Greenman, a driver striving to win his own tag, a license to drive his own cab. His mission is aided with the help of a woman who claims to be a guardian angel.

May 4, 1985: Sam is a soap opera heart surgeon and the obsession of a love-struck, if somewhat deranged fan. He must escape from the woman and her husband who kidnap him for reproductive purposes

March 2, 1957: It's almost as though Sam were on vacation when, as Egyptologist Dale Conway, he gets to read hieroglyphics, search lost tombs, and, of course, visit Egypt. But between an encroaching sandstorm, computer glitches back at the Project, the suspicious deaths of the guides, and a 3000-year-old curse to round things off, Sam has very little time to play in the sand.

April 30, 1959: Sam, as the singing half of a comedy team, soon finds that trying to convince two people that they're truly in love is no laughing matter, especially when one of them is the object of a sleazy casino owner's desire.

June 25, 1957: Sam leaps into Al Calavicci to prevent the death of his married lover. But when Sam accidentally alters history, and finds out too late about her untimely demise, it could mean the gas chamber for Al and disturbingly a whole new situation at Project Quantum Leap.

October 5, 1957 - November 22, 1963: 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.

October 5, 1957 - November 22, 1963: 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.

September 27, 1956: It's Robinson Crusoe with a twist when Sam leaps into a Greek sailor stranded on a deserted island with a beautiful young rich woman who appears to be less than fond of both him and their stranded situation.

August 10, 1968: As a Marine captain whose legs were amputated after a mishap in Vietnam, Sam finds himself in a veteran's hospital, where he must prevent the suicide of a fellow patient who would rather be dead than face life paralyzed from the neck down. Making matters worse, his wife seems incapable of accepting the fact that she and Sam's host can still lead a normal life, in spite of his condition.

June 18, 1958: 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.

May 21, 1966: 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.

March 19, 1966: Things are already on there way downhill when Sam leaps back into Jimmy LaMotta. Despite Sam's inaction, history continues to change for the worst. The cause is unknown until Sam discovers another time traveler on the scene, one who's determined to destroy Jimmy's family, as well as Sam.

August 8, 1955: 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.

June 14, 1966: Finding himself back in the same small Louisiana town, in the arms of Abigail, now twenty-one, Sam must prevent an angry crowd of townspeople from lynching his fiancée, following the disappearance of a young boy whom she had been babysitting.

July 28, 1978: Sam is an aging lawyer, recruited by Abigail, now thirty-three, to defend her when she is put on trial for the murder of Leta Aider, the woman whose daughter Abigail was accused of killing almost twenty-five years earlier.

December 22, 1971: 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.

February 25, 1958: As a horse-playing, traveling brush salesman, Sam finds himself with two wives and two families. Although Ziggy predicts that Sam's mission is to choose between the two lives, the choice is made more difficult by the fact that there's only a 50/50 chance that he'll choose the right one. As if things weren't bad enough, Sam finds that his penniless host owes a pair of bookies some big bucks.

October 16, 1968: 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.

April 25, 1985: While Sam is in 1985, running her radio talk show, playing matchmaker to her producers, and trying to help a young secretary who's being sexually harassed by her boss, Dr. Ruth Westheimer spends her time in the Waiting Room, counseling Al on his feelings towards his five wives, as well as his relationship with Tina.

March 10, 1975: As an eccentric, possibly vampiric, artist just outside of London, Sam must bear with Al's superstitions, while trying to prevent the death of his host's young wife, at the hands of a couple who are taking a sacrificial ceremony in honor of the "blood moon."

October 8, 1956: As Arnold Watkins, better known as The Midnight Marauder, Sam has to persuade a fraternity to stop using chicken races as a part of their hazing ceremonies, while Al tries to convince Arnold to stop trying to get himself killed in retaliation for his parents' deaths twelve years earlier. When Alia, the evil leaper, appears on the scene, Sam becomes determined to take her with him when he leaps.

September 16, 1987: Having simu-leaped, both Sam and Alia find themselves trapped in a women's prison, accused of murdering a fellow inmate. Their efforts to unmask the real killer are not their top priority as the two attempt to keep Alia's location hidden from her observer, Zoey, who leaps into the same place and time, determined to make Alia pay for her betrayal.

April 4, 1960: As chauffeur to Marilyn Monroe, Sam must try to prevent Marilyn's tragic death. But when a well-meaning plan backfires, it could mean the end of Marilyn's career, even if her life is saved.

November 6, 1972: Sam leaps into Henry Adams, one of a trio of friends who fought in Vietnam and came home each with their own personal scars and the memory of a lost buddy. He has to save the life of a friend, Roy, as well as of a young boy, Daniel, who ventures into the woods of Washington looking for proof of Bigfoot.

September 20, 1862: In a bizarre twist of a genetic coil, Sam leaps into his great-grandfather, Captain John Beckett, during the Civil War. He must not interfere with his ancestor's romance with a riled southern belle named Olivia. He must also avoid being hanged as a Yankee dog by some home guard Confederate soldiers.

July 3, 1954: Sam swivels his hips into Elvis Presley, mere days before he is discovered. Along with making sure that Elvis does become the King, Sam must help Sue Anne, a local songbird, from being trapped in a not-so-gilded cage of marriage.

August 8, 1953: Sam lands in a not-so-ordinary bar in a coal-mining town, where strange things are happening and familiar people don't know him. With the help of another Al, he still has something to set right ... or is there more than one thing he needs to change?