A new team assembles to restart the Quantum Leap project. Lead physicist Ben Song takes an unauthorized leap into 1985 as the team scrambles to figure out what happened and how to get him back.

Ben finds himself headed into orbit aboard the Space Shuttle Atlantis in 1998; Addison confides to Ian about a discovery and finds herself at odds with Magic and Jenn.

Ben leaps into a boxer in Las Vegas in 1977 and discovers that he has to fight in a title match and save the boxer's older brother from suicide.

Ben leaps to 1980s Los Angeles and into the body of Eva Sandoval, a no-nonsense bounty hunter in the midst of securing an elusive target; Ben remembers more about his own life.

Ben Leaps to 1879, and finds himself taking on a band of outlaws, even though he's a pacifist.

Ben and Addison find themselves in San Francisco during the historic 1989 earthquake. As the city continues to crumble with aftershocks, Ben must try to mend a family in chaos. Jenn and Ian search for clues to an unsettling mystery.

Ben leaps into a priest who has been called to assist a family in crisis on Halloween night. As he delves into mysterious and inexplicable events, he's forced to muster all his resources as a scientist before time runs out.

Ben leaps into one of a group of troubled teens in 1996, escaping from a youth camp.

Ben lands in 1979 Chicago as a devoted security guard to talented pop singer Carly Farmer; during Carly's prep for a concert, it quickly becomes clear her life is in danger and Ben must determine who is trying to kill her and why.

Ben leaps into a medical resident in a Seattle hospital; as victims from a train crash pour into the ER, Addison reveals Ben's complicated mission; he must go up against hospital bosses to save lives and Alexandra's career.

In 1962, Ben finds himself caught in a time loop and trying to stop a nuclear reactor explosion.

Ben finds himself in the body of a high school basketball coach, whose daughter is trans, on his team, and faces prejudice from the community.

Ben Leaps into 2009 where he has to help a struggling Indian family save their restaurant.

Ben leaps onto a battleship during war games in 1989, he must navigate a dangerous rescue mission but also contend with his commanding officer, XO Alexander Augustine, otherwise known as Addison's father.

Ben Leaps into the body of a harried public defender who is the only one that believes her client's innocence.

In the 1950s, Ben has to team up with Leaper X to set right what once went wrong.

When Ben leaps aboard a 1970's passenger jet as a flight attendant, he must outwit its hijackers before it mysteriously crashes into the Atlantic. Worse? He has to do it all without Ziggy's help.

Ben and Leaper X both Leap into 2018 and try to set right what might have gone wrong.