Quantum Leap | 9pm | NBC

Two-Hour Finale: Ben leaps into the body of a Baltimore firefighter in 1974 and is unexpectedly reunited with his time-crossed love, Hannah, and her son, Jeffrey. Trapped in a towering inferno, Ben must find a way to repair their troubled relationship and save their lives before it’s too late. Then, Ben finds himself behind the wheel of a speeding stock car in 1976, but a terrifying threat from the future could sabotage the leap. Racing against the clock, Ben, Addison and the team must risk everything to complete the mission and save Quantum Leap itself.