Episode 2. "Star - Crossed."

June 15th 1972 - Doctor Gerald Bryant. Terri Hatcher guest stars as Donna

Episode 3. "The Right Hand of God."

October 23rd 1974 - Clarence 'Kid' Cody

Episode 4. "How the Tess Was Won."

August 5th 1956 - Daniel 'Doc' Young. DVM.

Episode 5. "Double Identity."

November 8th 1965 - Frankie (Francesco) LaPalma / Don Geno Prascotti

Episode 6. "The Color of Truth."

August 8th 1965 - Jesse Tyler.

Episode 7. "The Camikazi Kid."

June 6th 1961 - Cameron Wilson.

Episode 8. "Play It Again, Seymour."

April 14th 1953 - Nick Allen. Claudia Christian guest stars as Allison Grimsley.

Season Two:-

Episode 9. "Honeymoon Express"

April 27th 1960 - Lt. Tom McBride. NYPD

Episode 10. "Disco Inferno"

April 1st 1976 - Chad Stone.

Episode 11. "The Americanization of Machiko"

August 4th 1953 - Charles Lee MacKenzie

Episode 12. "What Price Gloria"

October 16th 1961 - Samantha Stormer. The first time Sam leaps into a female host.

Episode 13. "Blind Faith"

February 6th 1964 - Andrew Ross

Episode 14. "Good Morning Peoria"

September 9th 1959 - 'Howlin' Chick Howell. Guest appearance by Chubby Checker & Patrica Richardson.

Episode 15. "Thou Shalt Not...."

February 2nd 1974 - David Basch

Episode 16. "Jimmy"

October 14th 1964 - Jimmy La Motta. Guest appearance by John D' Aquino.

Episode 17. "So Help Me God."

July 29th 1957 - Leonard Dancy.

Episode 18. "Catch a Falling Star."

May 21st 1979 - Ray Hutton Guest appearance by John Cullum.

Episode 19. "A Portrait for Troian"

February 7th 1971 - Dr. Timothy Mintz. Guest appearances by Debra Pratt, Donald P. Bellisario, & Carolyn Seymore.

Episode 20. "Animal Frat"

January 3rd 1990 - Knut Wileton.

Episode 21. "Another Mother"

September 30th 1981 - Linda Bruckner.

Episode 22. "All-Americans"

November 6th 1962 - Eddie Vega.

Episode 23. "Her Charm"

September 26th 1973 - Peter Langly.

Episode 24. "Freedom"

November 22nd 1970 - George Washakie.

Episode 25. "Good Night, Dear Heart"

November 9th 1957 - Melvin Spooner Guest star appearance by Robert Duncan McNiell.

Episode 26. "Pool Hall Blues"

September 4th 1954 - Charlie 'Black Magic' Walters. Scott Bakula sings 'When Your Feeling Down' in this episode.

Episode 27. "Leaping In Without A Net"

November 18th 1958 - Victor Panzini.

Episode 28. "Maybe Baby"

March 11th 1963 - Buster.

Episode 29. "Sea Bride"

June 3rd 1954 - Phillip Dumont.

Episode 30. "M.I.A."

April 1st 1969 - Jake Rawlins. Guest appearance by Susan Diol as Beth Calavicci.

Season Three:-

Episode 31. "The Leap Home"

November 25th 1969 - Sam Beckett. Scott Bakula also plays his father in this episode, John Beckett and sings 'Imagine'

Episode 32. "The Leap Home, Part 2"

April 7th 1970 - Signalman 2nd Class Hubert 'Magic' Williams. Andrea Thompson guest stars.

Episode 33. "Leap of Faith"

August 19th 1963 - Father Francis 'Frank' Guiseppe Pistano.

Episode 34. "One Strobe Over the Line"

June 15th 1965 - Karl Granson.

Episode 35. "The Boogieman"

October 31st 1964 - Joshua Rey.

Episode 36. "Miss Deep South"

June 7th 1958 - Darlene Monty.

Episode 37. "Black and White on Fire"

August 11th 1965 - Ray Harper.

Episode 38. "The Great Spontini"

November 9th 1974 - Harry Spontini.

Episode 39. "Rebel Without a Clue"

September 1st 1958 - Shane 'Funnybone' Thomas.

Episode 40. "A Little Miracle"

December 24th 1962 - Reginald Pearson.

Episode 41. "Runaway"

July 4th 1964 - Butchie Rickett.

Episode 42. "8-1/2 Months"

November 15th 1955 - Billy Jean Crockett. First and only time Sam's host is pregnant.

Episode 43. "Future Boy"

October 6th 1957 - Kenny Sharp.

Episode 44. "Private Dancer"

October 6th 1979 - Rod 'the bod' McCarty.

Episode 45. "Piano Man"

November 10th 1985 - Joet DeNardo. Scott Bakula sings 'Somewhere in the Night.'

Episode 46. "Southern Comforts"

August 4th 1961 - Gilbert LaBonte.

Episode 47. "Glitter Rock"

April 12th 1974 - Tonic. Scott Bakula sings 'Rock the Redhead and Fate's Wide Wheel'

Episode 48. "A Hunting We Will Go"

June 18th 1976 - Gordon O'Reilly.

Episode 49. "Last Dance Before an Execution"

May 12th 1971 - Jesus Ortega.

Episode 50. "Heart of a Champion"

July 23rd 1955 - Terry Sammis.

Episode 51. "Nuclear Family"

October 26th 1962 - Eddie Ellroy.

Episode 52. "Shock Theater"

October 3rd 1954 - Sam Beederman. Dean Stockwell sings 'Alphabet Rap' and Candy Ann Brown appears as Dr Verbena Beeks.

Season Four:-

Episode 53. "The Leap Back"

June 15th 1945 - Captain Tom Jarret. Al is the leaper in this episode and Sam is the observer. Mimi Kuzyk guest stars as Dr Donna Elesee Beckett.

Episode 54. " Play Ball"

August 6th 1961 - Lester 'Doc' Fuller.

Episode 55. "Hurricane"

August 17 1969 -  Archie Necaise.

Episode 56. "Justice"

May 11th 1965 - Clyde.

Episode 57. "Permanent Wave"

June 2nd 1983 - Frank Bianca.

Episode 58. "Raped"

June 29th 1980 - Katie McBain.

Episode 59. "The Wrong Stuff"

January 24th 1961 - Bobo. This is the one and only episode where Sam leaps into a animial.

Episode 60. "Dreams"

Febeuary 28th 1979 - Lieutenant Jack Stone.

Episode 61. "A Single Drop of Rain"

September 7th 1953 - William 'Billy' Beaumont.

Episode 62. "Unchained"

November 2nd 1956 - Chance Terrance Cole.

Episode 63. "The Play's the Thing"

September 9th 1969 - Joe Thurlow.

Episode 64. "Running for Honor"

June 11th 1964 - Cadet Lieutenant Commander Tommy York.

Episode 65. "Temptation Eyes"

February 1st 1985 - Dylan Powell.

Episode 66. "The Last Gunfighter"

November 28th 1957 - Tyler Means.

Episode 67. "A Song for the Soul"

April 7th 1963 - Cheree.

Episode 68. "Ghost Ship"

August 13th 1956 - Edward Brackett.

Episode 69. "Roberto"

July 27th 1982 - Roberto Gutierrez.

Episode 70. "It's a Wonderful Leap"

May 10th 1958 - Max Greenman. We discover in this episode that angels, real or imagined can also see Al.

Episode 71. "Moments to Live"

May 4th 1985 - Kyle Hart.

Episode 72. "The Curse of Ptah-Hotep"

March 2nd 1957 - Doctor Dale Conway.

Episode 73. "Stand-Up"

April 30th 1959 - Davey Parker. Bob Saget guest stars.

Episode 74. "A Leap for Lisa"

June 25th 1957 - Ensign Albert 'Bingo' Calavicci. Guest stars include vetreran Roddy McDowall as Edward St John V Project Quantum Leap's replacement observer and Terry Farrell as Lisa.

Season Five:-

Episode 75. "Lee Harvey Oswald"

March 21st 1963, October 5th & 6th 1957, June 6th 1959, October 21st 1959, April 10th 1963, October 21st 1963, November 1963 - Lee Harvey Oswald. This is a movie length episode with Scott Bakula giving a very believable performance.

Episode 76. "Leaping of the Strew"

September 27th 1956 - Nikos Stathatos. Brooke Shields guest stars.

Episode 77. "Nowhere to Run"

August 10th 1968 - Captain Ronald Miller USMA.

Episode 78. "Killin Time"

June 18th 1958 - Leon Styles. This is the only episode shown or which discusses the topic of a vistor escaping the waiting room. Guest cast includes the late Dennis Wolfberg as Gooshie.

Episode 79. "Star Light, Star Bright"

May 21st 1966 - Maxwell Stoddard.

Episode 80. "Deliver Us From Evil"

March 19th 1966 - Jimmy LaMotta. The second time Sam leaps into Jimmy and the first of the Evil Leaper epsiodes, guest stars include John D'Aquino and Carolyn Seymour, both are return guest artists. John D'Aquino appeared once before as Jimmy's older brother Frank and Carolyn Seymour was the ghostly Miss Stoltz in "A Portrait for Troian"

Episode 81. "One Little Heart"

August 8th 1955 - Clayton Fuller.

Episode 82. "For Your Love"

June 14 th 1966 - Willis Gunerson.

Episode 83. "The Last Door"

July 18th 1978 - Lawrence 'Larry' Stanton III.

Episode 84. "Promised Land"

December 22nd 1971 - William Walters Jr.

Episode 85. "The Tale of Two Sweeties"

February 25th 1958 - Martin 'Marty' Ellroy.

Episode 86. "Liberation"

October 16th 1968 - Margaret Sanders.

Episode 87. "Dr Ruth"

April 25th 1985 - Doctor Ruth Westheimer. The renowned sex therapist Dr Ruth Westheimer makes a guest appearance as herself.

Episode 88. "Blood Moon"

March 10th 1975 - Lord Nigel Corrington.

Episode 89. "Evil Leaper II: Return"

October 8th 1956 - Arnold Watkins. Renee Coleman and Carolyn Seymore reprise their roles as Alia (evil leaper) and Zoey (evil leaper's observer) in this episode, another noteable guest star is Niel Patrick Harris.

Episode 90. "Evil Leaper III: Revenge"

September 16th 1987 - Elizabth 'Liz' Tate.

Episode 91. "Good-bye, Norma Jean"

April 4th 1960 - Dennis Boardman.

Episode 92. "The Beast Within"

November 6th 1972 - Henry Adams.

Episode 93. "The Leap Between the States"

September 20th 1862 - Captain John Beckett, Army of the Potomac. This is the first and only episode where Sam leaps along his own genetic code in the his great grandfather.

Episode 94. "Memphis Melody"

July 3rd 1954 - Elvis Presley. Scott Bakula sings several songs in this episode including 'Blue Moon of Ketucky' and 'Baby let's Play House.'

Episode 95. "Mirror Image"

August 8th 1953 - Himself.