Scott Bakula shirtless in Quantum Leap 5-09 "Trilogy: Part 2 - June 14, 1966"

Scott Bakula shirtless in Quantum Leap 5-07 "Deliver Us from Evil - March 19, 1966"

Scott Bakula shirtless in Quantum Leap 5-04 "Nowhere to Run - August 10, 1968"

Scott Bakula shirtless in Quantum Leap 4-17 "Roberto! - January 27, 1982"

Scott Bakula shirtless in Quantum Leap 4-13 "Temptation Eyes - February 1, 1985"

Scott Bakula and Anthony Palermo shirtless in Quantum Leap 4-12 "Running for Honor - June 11, 1964"

Scott Bakula and Will Schaub shirtless in Quantum Leap 4-11 "The Play's the Thing - September 9, 1969"

Scott Bakula shirtless in Quantum Leap 4-10 "Unchained - November 2, 1956"

Scott Bakula shirtless in Quantum Leap 4-08 "Dreams - February 28, 1979"

Scott Bakula shirtless in Quantum Leap 4-07 "The Wrong Stuff - January 24, 1961"

Neal McDonough and Scott Bakula shirtless in Quantum Leap 4-02 "Play Ball - August 6, 1961"

Scott Bakula shirtless in Quantum Leap 4-01 "The Leap Back - June 15, 1945"

Scott Bakula and Jerry Bossard shirtless in Quantum Leap 3-20 "Heart of a Champion - July 23, 1955"

Scott Bakula shirtless in Quantum Leap 3-18 "A Hunting Will We Go - June 18, 1976"

Scott Bakula shirtless in Quantum Leap 3-17 "Glitter Rock - April 12, 1974"

Scott Bakula and Chris Solari shirtless in Quantum Leap 3-14 "Private Dancer - October 6, 1979"

Charles Rocket shirtless in Quantum Leap 3-10 "A Little Miracle - December 24, 1962"

Scott Bakula shirtless in Quantum Leap 3-07 "Black on White on Fire - August 11, 1965"

Scott Bakula shirtless in Quantum Leap 3-06 "Miss Deep South - June 7, 1958"

Scott Bakula shirtless in Quantum Leap 3-04 "One Strobe Over the Line - June 15, 1965"