Quantum Leap: Season 4
Season 4 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Directly follows the overarching narrative developments of Quantum Leap Season 3.
- Faction dynamics and core character alliances shift under escalating external stakes.
- Crucial mysteries introduced previously reach key turning points and narrative reckonings.
- Sets up serialized story arcs that build directly toward the climactic season finale.
Episode Guide
Season 4 Progress Shield
The Leap Back
Sep 18, 1991
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
Play Ball
Sep 25, 1991
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 por
Hurricane
Oct 2, 1991
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.
Justice
Oct 9, 1991
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.
Permanent Wave
Oct 16, 1991
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.
Raped
Oct 30, 1991
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
The Wrong Stuff
Nov 6, 1991
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.
Dreams
Nov 13, 1991
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
A Single Drop of Rain
Nov 20, 1991
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 ra
Unchained
Nov 27, 1991
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.
The Play's the Thing
Jan 8, 1992
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 g
Running for Honor
Jan 15, 1992
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 gr
Temptation Eyes
Jan 22, 1992
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 vi
The Last Gunfighter
Jan 29, 1992
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.
A Song for the Soul
Feb 26, 1992
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 n
Ghost Ship
Mar 4, 1992
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
Roberto!
Mar 11, 1992
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 my
It's A Wonderful Leap
Apr 1, 1992
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 missi
Moments to Live
Apr 8, 1992
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 reprod
The Curse of Ptah-Hotep
Apr 22, 1992
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 betw
Stand Up
May 13, 1992
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 th
A Leap for Lisa
May 20, 1992
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