A time traveler leaps into Scully to save Mulder from being killed. Oh boy!

It's tough to be a normal teenager when you're an alien prince on the run from assassins. It's even tougher when a time-traveller leaps into your body. Powers of Matthew Star/Quantum Leap

Sam and Al guest star in 'The New Scooby-Doo Movies' and try to prevent the gang from abandoning their quest to solve the mystery of The Eerie Admiral. Presented in script form.

Greg House has been expelled from med school -- for the second time. Guess he'll never be a doctor. But he doesn't know that Sam Beckett is about to get involved. No slash, House/OFC. Written for Fox Board's Friday Night O/C Challenge. M for sex/lang.

A conceptual fusion of the Harry Potter series and the Quantum Leap TV Show. Chapters 1 and 2 extracted from my Thrilling Tales anthology/Bunny Hutch

Sam Beckett has to save a life, but is tempted to save his own. A/N: Crossing QL and Popular, 2 of my Fave shows. Let me know if I get it right.

Sam's leaped again, but this time things are different. The original history's in flux, and Sam is left trying to puzzle out the mystery of one Doctor John Smith who seems to be caught up in the middle of it. Crossover with Doctor Who.

Sam Beckett leaps into a friend he thought long dead--Doctor David Banner. Things fall apart, but somethings just might come together, if Ziggy's prophecy of doom and hungry reporter Jack McGee can be put off.

Sam Beckett leaps into a female Andorian security officer on the Enterprise-D to thwart a plan by original series and Next Gen baddies to use his QL facility for evil. Please review.

Dr. Sam Becket, a time-traveling physicist, swaps bodies with Dr. Brennan in order to stop Booth for being sentenced to life imprisonment for a murder which he did not commit.

Two different forms of incompatible energy existing in the same space-time would create havoc, wouldn't it? What would they have to put right? Spoilers through Torchwood Children of Earth.

Theorizing one could time travel within his own lifetime, Dr. Sam Beckett led an elite group of scientists into the desert to develop a top secret project known as QUANTUM LEAP. Now Sam finds himself in the body of Carlton Lassiter. AU for Tues. the 17th.

What happens when the only hope for Chuck, Sarah, Casey and the rest of the world relies on Dr Sam Beckett. In this crossover, Sam learns that appearances can be deceiving in the world of Chuck Bartowski

Sam Beckett leaps from Jim Clancy on "Ghost Whisperer" into Brian Hackett on "Wings" and ends up meeting another Leaper who takes him back to the Titanic for a four-way multiple crossover.This story links with Suite Life: Immortal

A response to TtH's FFA Xander/Al Calavicci non-romance .

The first prologue to CU: The Battle. Sam leaps into one of the Hetalia characters, which the Pokemon people complicate even more! BONUS: Gooshie and the Visitor spill!

Dr. Sam Beckett of Project: Quantum Leap has leaped into Willie Loomis during his infamous rendezvous with the past, and the experience leads Sam and Al to learn more about the Collins Family than any one else.

Cupid’s family has to ask their Neighbor for help from Samuel Becket to repair the time line when Zeus goes off his meds, creates a scene & blows Cupid’s cover. We get to see both time lines, the 1 before Sam changed things & the one where he did.

When Sam leaps into the Lady Therapist of a man who thinks he is Cupid the Greek god of love Sam must cope with the mystery of the man known as Trevor Hale. Is he fallen god, cosmic clown, wise lunatic bartender, or all? How does he know classified info?

He was being pulled through time and space again, bright light all around. Quantum Leap/Stargate: Atlantis Crossover.

A simple Pizza dilvery gone strangely wrong when instead of a tip, the dilivery boy instead gets a first class trip to ...the twilight zone...Digimon/quantum leap/Twilight zone/ Crossover

Bester gets the first season of the latest incarnation of his favorite show from childhood and isn't pleased. Follow John Trakker as he dies at the hands of Heng again and again. Several Crossovers.

Quantum Leap crossover. When Sam Beckett leaps into Joe Dawson, he has one of his most difficult leaps ever. Can he stop Richie from heading to that Paris racetrack, or Duncan from taking his head?

xover w/Quantum Leap. Sam Beckett leaps into Gregory House on the day of the bus accident. Spoilers for episodes “House's Head” & “Wilson's Heart”

Dr. Rodney McKay never thought that leaving the Stargate Program for Project Quantum Leap would change his life, but it does, in more ways than one. Stargate Atlantis and Quantum Leap. Slash.