In a poignant ending, it is revealed that a young Sam Beckett actually wrote a letter to Captain Galaxy, and Moe's theory of time travel—the string theory—is the very one Sam eventually uses to build Project Quantum Leap. Behind-the-Scenes & Trivia
A joke in the episode about the show's time slot moving from Wednesday at 10 PM to Friday at 8 PM was a direct reference to NBC's real-life scheduling changes for Quantum Leap . [S3E13] Future Boy - October 6, 1957
Moe explains his theory of time travel using a piece of string . He posits that our lifetimes are like a string; if you roll it into a ball, "all the days of your life" touch each other, allowing for travel between points. In a poignant ending, it is revealed that
Sam must prevent the death of Moe Stein and stop him from being committed to a mental institution by his daughter. Key Cast & Characters Scott Bakula as Dr. Sam Beckett / Kenny Sharp. Dean Stockwell as Admiral Al Calavicci. Richard Herd as Moe Stein (Captain Galaxy). Debra Stricklin as Irene Kiner (Moe’s daughter). George Wyner as Ben Harris. Plot Highlights He posits that our lifetimes are like a