Quantum Leap is a science fiction television show that aired from 1989 to 1993. It starred Scott Bakula as Dr. Sam Beckett, a scientist who unintentionally time-travels through history, changing events for the better. The show begins with Beckett being sent into the past after a laboratory experiment goes wrong. He is stuck in a time vortex, where he is randomly sent to a different point in history. In each episode, he would be forced to live out the life of another person, who was in the midst of a crisis. Along for the ride is Al, an Observer from the future. Al is able to communicate with Beckett, guiding him through his mission of helping others and ultimately leading him back to his own time. Each episode presents a unique situation that Dr. Beckett must navigate and solve, usually finding a way to solve the problem and return to the present. During the course of the show, Beckett encounters many famous historical figures and teams up with them to bring about a positive change. With his trusty partner Al, Beckett travels through time, making tough decisions and saving lives while teaching viewers an important lesson. Quantum Leap is known for its complex and emotional storytelling, as well as its intelligent take on the concept of time travel.