Quantum Leap
The Leap Back - June 15, 1945
TV Flash files “The Leap Back - June 15, 1945” as a desk essential hour — Quantum Leap (1989–1993) on NBC, season 4, episode 1, aired 1991-09-18, 60 min.
From the desk
How this hour is filed
This leaf is S04E01: listed hour 53 of 95 in the Quantum Leap guide, first listed hour of season 4. It aired 1991-09-18 (60 min). The listed hour before it is “Shock Theater - October 3, 1954” (S03E22). Next is “Play Ball - August 6, 1961” (S04E02).
Essential hour: “The Leap Back - June 15, 1945”. The Leap Back - June 15, 1945 is a reverse-leap season open: the odd couple swapping the grammar, high-concept still with heart.

Catalog log
Broadcast listing — not a TV Flash recap.
A lightning bolt strikes Sam and Al, causing them to trade places and personalities: Al becomes a World War II ex-POW just returned home in 1945; Sam leaps "home" to the Q.L. control center in 1999. Leap Details: Tom Jarrett, June 15, 1945, Crown Point, Indiana / Himself, September 18, 1999, Stallions Gate, New Mexico
Viewer FAQ
Where does The Leap Back - June 15, 1945 sit in the Quantum Leap guide?
S04E01 is listed hour 53 of 95 — first listed hour of season 4, season 4 episode 1.
When did Quantum Leap S04E01 air?
The Leap Back - June 15, 1945 aired 1991-09-18 and is listed at 60 minutes.
Do I have to watch in order?
Leaps are largely anthology, so you can sample, but Sam and Al's project is the serial heart. The finale's bittersweet math lands harder if you have ridden with them.
In the series
Why this series still plays
High-concept anthology-with-heart — Bakula and Stockwell are a perfect odd couple across time. Sam leaps into other lives to put right what once went wrong; Al's hologram smokes the map. 1980s/90s sci-fi optimism with a lump in its throat. The finale's bittersweet math still hurts. Oh, boy.
Oh, boy — already a wound, already a fandom greeting. NBC's Quantum Leap (1989–1993) dropped Dr. Sam Beckett into other people's lives to put right what once went wrong, Dean Stockwell's holographic Al as cigar-smoking guide. Scott Bakula as time-travel everyman in a new body every week. Donald P. Bellisario's zigzag accelerator: social-issue episodes and genre romps, anthology heart inside a franchise shell. **Five seasons, 95 hours, a body-swap mission structure later genre shows still rent.** Rex can keep the…
Filed against
- Scott Bakula as Dr. Sam Beckett
Scott Bakula's Dr. Sam Beckett leapt Quantum Leap as high-concept anthology-with-heart — putting right what once went wrong, Dean Stockwell's Al as hologram map, 1980s/90s sci-fi optimism with a lump in its throat. Odd couple across time.…
- Dean Stockwell as Admiral Al Calavicci
Dean Stockwell’s Admiral Al Calavicci smoked the map on Quantum Leap — Sam leaping into other lives to put right what once went wrong, hologram as odd-couple compass, 1980s/90s sci-fi optimism with a lump in its throat. Bakula and…