Season 21
| #4825, aired 2005-07-22 | David Madden vs. Dan Tick vs. Maya Kobersy | David Madden game 14. Last game of Season 21. |
| #4824, aired 2005-07-21 | David Madden vs. Aaron Schnier vs. Britney Harris | David Madden game 13. |
| #4823, aired 2005-07-20 | David Madden vs. Oscar Avila vs. Ellyn Ritterskamp | David Madden game 12. |
| #4822, aired 2005-07-19 | David Madden vs. Richard Bernstein vs. Margaret Rhodes | David Madden game 11. |
| #4821, aired 2005-07-18 | David Madden vs. Brian Pearson vs. Laurie Parker | David Madden game 10. |
| #4820, aired 2005-07-15 | David Madden vs. Mark Murray vs. Karen Arciero | David Madden game 9. |
| #4819, aired 2005-07-14 | David Madden vs. Kate Brogan vs. Jennifer Burrus | David Madden game 8. |
| #4818, aired 2005-07-13 | David Madden vs. Audrey Golub vs. Evan Kleber | David Madden game 7. |
| #4817, aired 2005-07-12 | David Madden vs. Kem Herding vs. Charles Martin | David Madden game 6. |
| #4816, aired 2005-07-11 | David Madden vs. Annemarie Gallagher vs. Jessica Schreader | David Madden game 5. |
| #4815, aired 2005-07-08 | David Madden vs. Kate Morrical vs. Matt Barakat | David Madden game 4. |
| #4814, aired 2005-07-07 | David Madden vs. Jim O'Malley vs. Jamie Ball | David Madden game 3. |
| #4813, aired 2005-07-06 | David Madden vs. Michael Segal vs. Cheryl Bush | David Madden game 2. |
| #4812, aired 2005-07-05 | Teresa Grasso vs. John Colterman vs. David Madden | David Madden game 1. All but two responses (and a... |
| #4811, aired 2005-07-04 | Mark Eckenwiler vs. Teresa Grasso vs. Jennifer Weiner | |
| #4810, aired 2005-07-01 | Chad Morgan vs. Julie Baker vs. Mark Eckenwiler | |
| #4809, aired 2005-06-30 | Ben Kesling vs. Chad Morgan vs. Amy Oberst | |
| #4808, aired 2005-06-29 | Ben Kesling vs. Tony Jonick vs. Deanna Easter | |
| #4807, aired 2005-06-28 | Sarah Johnson vs. Pam Maine vs. Ben Kesling | |
| #4806, aired 2005-06-27 | Morgan Chase vs. Sarah Johnson vs. Andy Sanderson | |
| #4805, aired 2005-06-24 | Brandy Shattuck vs. Steve Clark vs. Morgan Chase | |
| #4804, aired 2005-06-23 | Mike Bober vs. David Tambling vs. Brandy Shattuck | |
| #4803, aired 2005-06-22 | Mike Bober vs. Eric Margelefsky vs. Marlene Lein | |
| #4802, aired 2005-06-21 | Donna Brutkoski vs. Elaine Thacker vs. Mike Bober | |
| #4801, aired 2005-06-20 | Donna Brutkoski vs. Andrew Gonzalez vs. Stephanie Monaghan | |
| #4800, aired 2005-06-17 | Kammy McCleery vs. Donna Brutkoski vs. Jeff Magee | |
| #4799, aired 2005-06-16 | Missy Carlson vs. Kammy McCleery vs. Yeechang Lee | |
| #4798, aired 2005-06-15 | Ben Nuckols vs. Missy Carlson vs. John Smith | |
| #4797, aired 2005-06-14 | Lisa Osterman vs. Patrice Escalle vs. Ben Nuckols | |
| #4796, aired 2005-06-13 | Lisa Osterman vs. Willie Costley vs. Omar Shokeir | |
| #4795, aired 2005-06-10 | Daniel Granof vs. Brian Algra vs. Lisa Osterman | |
| #4794, aired 2005-06-09 | Daniel Granof vs. Doug Meyer vs. Corinth Matéra | |
| #4793, aired 2005-06-08 | Kevin Blackley vs. Susie Sisson vs. Daniel Granof | |
| #4792, aired 2005-06-07 | Brice Sunderland vs. Kevin Blackley vs. Tricia McRae | |
| #4791, aired 2005-06-06 | Tom Walker vs. Rosemarie Keenan vs. Brice Sunderland | |
| #4790, aired 2005-06-03 | David Rozenson vs. Tom Walker vs. Sara Mixter | David Rozenson game 4. |
| #4789, aired 2005-06-02 | David Rozenson vs. Julie Meister vs. Rande Jandel | David Rozenson game 3. |
| #4788, aired 2005-06-01 | David Rozenson vs. Greg Pokusa vs. Jaya Lakshminarayanan | David Rozenson game 2. |
| #4787, aired 2005-05-31 | Lisa Voss vs. Neill Kovrig vs. David Rozenson | David Rozenson game 1. |
| #4786, aired 2005-05-30 | Charlie Kahn vs. Lisa Voss vs. Matt Whitney | |
| #4785, aired 2005-05-27 | Bob Shore vs. Charlie Kahn vs. Tim Schwab | |
| #4784, aired 2005-05-26 | Bob Shore vs. Kate Sendegeya vs. Damon Poore | |
| #4783, aired 2005-05-25 | Ken Jennings vs. Jerome Vered vs. Brad Rutter | 2005 Ultimate Tournament of Champions Round 5, game 3. |
| #4782, aired 2005-05-24 | Brad Rutter vs. Ken Jennings vs. Jerome Vered | 2005 Ultimate Tournament of Champions Round 5, game 2. |
| #4781, aired 2005-05-23 | Jerome Vered vs. Brad Rutter vs. Ken Jennings | 2005 Ultimate Tournament of Champions Round 5, game 1. |
| #4780, aired 2005-05-20 | Brad Rutter vs. John Cuthbertson vs. Chris Miller | 2005 Ultimate Tournament of Champions Round 4, game 4. Clip... |
| #4779, aired 2005-05-19 | Brad Rutter vs. Chris Miller vs. John Cuthbertson | 2005 Ultimate Tournament of Champions Round 4, game 3. |
| #4778, aired 2005-05-18 | Jerome Vered vs. Frank Spangenberg vs. Pam Mueller | 2005 Ultimate Tournament of Champions Round 4, game 2. |
| #4777, aired 2005-05-17 | Frank Spangenberg vs. Pam Mueller vs. Jerome Vered | 2005 Ultimate Tournament of Champions Round 4, game 1. |
| #4776, aired 2005-05-16 | Jerome Vered vs. Dan Melia vs. Michael Daunt | 2005 Ultimate Tournament of Champions Round 3, game 6. |
| #4775, aired 2005-05-13 | Matt Zielenski vs. Chris Miller vs. Lan Djang | 2005 Ultimate Tournament of Champions Round 3, game 5. |
| #4774, aired 2005-05-12 | John Cuthbertson vs. Robert Slaven vs. April McManus | 2005 Ultimate Tournament of Champions Round 3, game 4. |
| #4773, aired 2005-05-11 | Shane Whitlock vs. Grace Veach vs. Frank Spangenberg | 2005 Ultimate Tournament of Champions Round 3, game 3. |
| #4772, aired 2005-05-10 | Pam Mueller vs. Phil Yellman vs. Brian Moore | 2005 Ultimate Tournament of Champions Round 3, game 2. |
| #4771, aired 2005-05-09 | Steve Chernicoff vs. Brad Rutter vs. Michael Rooney | 2005 Ultimate Tournament of Champions Round 3, game 1. |
| #4770, aired 2005-05-06 | April McManus vs. Ed Schiffer vs. Jonathan Groff | 2005 Ultimate Tournament of Champions Round 2, game 18. |
| #4769, aired 2005-05-05 | Chuck Forrest vs. Phil Yellman vs. Lara Robillard | 2005 Ultimate Tournament of Champions Round 2, game 17. |
| #4768, aired 2005-05-04 | Frank Spangenberg vs. Bev Schwartzberg vs. Paul Gutowski | 2005 Ultimate Tournament of Champions Round 2, game 16. (Jimmy:... |
| #4767, aired 2005-05-03 | Bob Verini vs. Tad Carithers vs. John Cuthbertson | 2005 Ultimate Tournament of Champions Round 2, game 15. |
| #4766, aired 2005-05-02 | Eric Terzuolo vs. Pam Mueller vs. Arthur Phillips | 2005 Ultimate Tournament of Champions Round 2, game 14. |
| #4765, aired 2005-04-29 | Grace Veach vs. Michael Rankins vs. Brian Weikle | 2005 Ultimate Tournament of Champions Round 2, game 13. |
| #4764, aired 2005-04-28 | John Beck vs. Brad Rutter vs. Bruce Naegeli | 2005 Ultimate Tournament of Champions Round 2, game 12. |
| #4763, aired 2005-04-27 | Mark Dawson vs. Lan Djang vs. Jeff Richmond | 2005 Ultimate Tournament of Champions Round 2, game 11. |
| #4762, aired 2005-04-26 | Ryan Holznagel vs. Chris Miller vs. David Traini | 2005 Ultimate Tournament of Champions Round 2, game 10. (Austin... |
| #4761, aired 2005-04-25 | Robin Carroll vs. Matt Zielenski vs. Steve Newman | 2005 Ultimate Tournament of Champions Round 2, game 9. |
| #4760, aired 2005-04-22 | Robert Slaven vs. Eugene Finerman vs. Michael Dupée | 2005 Ultimate Tournament of Champions Round 2, game 8. |
| #4759, aired 2005-04-21 | Leah Greenwald vs. Sean Ryan vs. Jerome Vered | 2005 Ultimate Tournament of Champions Round 2, game 7. |
| #4758, aired 2005-04-20 | Mark Eckard vs. Vinita Kailasanath vs. Brian Moore | 2005 Ultimate Tournament of Champions Round 2, game 6. |
| #4757, aired 2005-04-19 | Steve Berman vs. Eric Newhouse vs. Shane Whitlock | 2005 Ultimate Tournament of Champions Round 2, game 5. |
| #4756, aired 2005-04-18 | Bruce Borchardt vs. Bob Harris vs. Michael Daunt | 2005 Ultimate Tournament of Champions Round 2, game 4. |
| #4755, aired 2005-04-15 | Michael Rooney vs. Tom Walsh vs. Catherine Ramen | 2005 Ultimate Tournament of Champions Round 2, game 3. |
| #4754, aired 2005-04-14 | Steve Chernicoff vs. Scott Gillispie vs. India Cooper | 2005 Ultimate Tournament of Champions Round 2, game 2. |
| #4753, aired 2005-04-13 | Kyle Hale vs. Rick Knutsen vs. Dan Melia | 2005 Ultimate Tournament of Champions Round 2, game 1. (Sergeant:... |
| #4752, aired 2005-04-12 | Ben Lyon vs. Steve Chernicoff vs. Roy Holliday | 2005 Ultimate Tournament of Champions Round 1, game 45. (Edward... |
| #4751, aired 2005-04-11 | Steven Popper vs. Scott Gillispie vs. David Venderbush | 2005 Ultimate Tournament of Champions Round 1, game 44. |
| #4750, aired 2005-04-08 | Josh DenHartog vs. Trevor Norris vs. Phil Yellman | 2005 Ultimate Tournament of Champions Round 1, game 43. |
| #4749, aired 2005-04-07 | Lara Robillard vs. Michael Braun vs. Bill Dickenson | 2005 Ultimate Tournament of Champions Round 1, game 42. |
| #4748, aired 2005-04-06 | Dave Abbott vs. Mark Born vs. Paul Gutowski | 2005 Ultimate Tournament of Champions Round 1, game 41. (Cheryl:... |
| #4747, aired 2005-04-05 | Lan Djang vs. Andrew Hutchings vs. Dave Willis | 2005 Ultimate Tournament of Champions Round 1, game 40. |
| #4746, aired 2005-04-04 | Paul Thompson vs. April McManus vs. Larry Cloud | 2005 Ultimate Tournament of Champions Round 1, game 39. |
| #4745, aired 2005-04-01 | Bob Fleenor vs. Matt Zielenski vs. Kurt Bray | 2005 Ultimate Tournament of Champions Round 1, game 38. (Sarah:... |
| #4744, aired 2005-03-31 | Tom Halpern vs. Graham Gilmer vs. Bruce Naegeli | 2005 Ultimate Tournament of Champions Round 1, game 37. |
| #4743, aired 2005-03-30 | Amy Fine vs. Craig Barker vs. Rick Knutsen | 2005 Ultimate Tournament of Champions Round 1, game 36. |
| #4742, aired 2005-03-29 | Bernie Cullen vs. Pat Healy vs. Kyle Hale | 2005 Ultimate Tournament of Champions Round 1, game 35. |
| #4741, aired 2005-03-28 | Fraser Woodford vs. India Cooper vs. Bill Sloan | 2005 Ultimate Tournament of Champions Round 1, game 34. |
| #4740, aired 2005-03-25 | Bruce Ikawa vs. John Cuthbertson vs. Bob Blake | 2005 Ultimate Tournament of Champions Round 1, game 33. |
| #4739, aired 2005-03-24 | Tom Nichols vs. Eugene Finerman vs. Chacko George | 2005 Ultimate Tournament of Champions Round 1, game 32. |
| #4738, aired 2005-03-23 | Brad Plovan vs. Steve Berman vs. Phoebe Juel | 2005 Ultimate Tournament of Champions Round 1, game 31. |
| #4737, aired 2005-03-22 | Michael Daunt vs. Jeff Stewart vs. Jamie Weiss | 2005 Ultimate Tournament of Champions Round 1, game 30. |
| #4736, aired 2005-03-21 | Lynne Wexler vs. John Ryan vs. Shane Whitlock | 2005 Ultimate Tournament of Champions Round 1, game 29. |
| #4735, aired 2005-03-18 | Robert Slaven vs. Bill Pitassy vs. Russ Schumacher | 2005 Ultimate Tournament of Champions Round 1, game 28. |
| #4734, aired 2005-03-17 | John Zhang vs. Dan Katz vs. Brian Moore | 2005 Ultimate Tournament of Champions Round 1, game 27. |
| #4733, aired 2005-03-16 | Jonathan Groff vs. Eddie Timanus vs. Jean Grewe | 2005 Ultimate Tournament of Champions Round 1, game 26. Audio... |
| #4732, aired 2005-03-15 | Matt Morris vs. Leah Greenwald vs. Doug Lach | 2005 Ultimate Tournament of Champions Round 1, game 25. |
| #4731, aired 2005-03-14 | Chris Miller vs. Mike Thayer vs. Dennis Donohue | 2005 Ultimate Tournament of Champions Round 1, game 24. (Sarah:... |
| #4730, aired 2005-03-11 | David Siegel vs. Andrew Westney vs. Steve Newman | 2005 Ultimate Tournament of Champions Round 1, game 23. |
| #4729, aired 2005-03-10 | Jay Rosenberg vs. Pam Mueller vs. Michael Day | 2005 Ultimate Tournament of Champions Round 1, game 22. |
| #4728, aired 2005-03-09 | Erik Larsen vs. Mark Lowenthal vs. Michael Rooney | 2005 Ultimate Tournament of Champions Round 1, game 21. |
| #4727, aired 2005-03-08 | Mark Dawson vs. Elaine Zollner vs. Chris Ward | 2005 Ultimate Tournament of Champions Round 1, game 20. |
| #4726, aired 2005-03-07 | John Kelly vs. Ryan Holznagel vs. Barbara-Anne Eddy | 2005 Ultimate Tournament of Champions Round 1, game 19. |
| #4725, aired 2005-03-04 | John LeDonne vs. Keith Williams vs. Grace Veach | 2005 Ultimate Tournament of Champions Round 1, game 18. |
| #4724, aired 2005-03-03 | Ed Schiffer vs. Andrew Garen vs. Paul Boymel | 2005 Ultimate Tournament of Champions Round 1, game 17. |
| #4723, aired 2005-03-02 | Lee Lassiter vs. Jennifer Wu vs. Catherine Ramen | 2005 Ultimate Tournament of Champions Round 1, game 16. (Jimmy:... |
| #4722, aired 2005-03-01 | Diane Siegel vs. Bruce Borchardt vs. Kevin Keach | 2005 Ultimate Tournament of Champions Round 1, game 15. |
| #4721, aired 2005-02-28 | Jim Scott vs. Jerome Vered vs. Michelle Clum | 2005 Ultimate Tournament of Champions Round 1, game 14. |
| #4720, aired 2005-02-25 | Tad Carithers vs. Leszek Pawlowicz vs. Al Lin | 2005 Ultimate Tournament of Champions Round 1, game 13. |
| #4719, aired 2005-02-24 | John Beck vs. Tom Nosek vs. Carolyn Cracraft | 2005 Ultimate Tournament of Champions Round 1, game 12. |
| #4718, aired 2005-02-23 | Bernard Holloway vs. Billy Baxter vs. Jeff Richmond | 2005 Ultimate Tournament of Champions Round 1, game 11. Single-player Final Jeopardy! |
| #4717, aired 2005-02-22 | Michael Dupée vs. Sandra Gore vs. Jack Archey | 2005 Ultimate Tournament of Champions Round 1, game 10. |
| #4716, aired 2005-02-21 | Kermin Fleming vs. Mark Eckard vs. Lance Johnson | 2005 Ultimate Tournament of Champions Round 1, game 9. |
| #4715, aired 2005-02-18 | Brian Wangsgard vs. Jeremy Bate vs. Dan Melia | 2005 Ultimate Tournament of Champions Round 1, game 8. |
| #4714, aired 2005-02-17 | Bev Schwartzberg vs. Sahir Islam vs. Michael Arnone | 2005 Ultimate Tournament of Champions Round 1, game 7. |
| #4713, aired 2005-02-16 | David Sampugnaro vs. Vinita Kailasanath vs. Steve Robin | 2005 Ultimate Tournament of Champions Round 1, game 6. |
| #4712, aired 2005-02-15 | Frank Epstein vs. Bob Harris vs. Tom Cubbage | 2005 Ultimate Tournament of Champions Round 1, game 5. |
| #4711, aired 2005-02-14 | David Traini vs. Alan Bailey vs. Janet Wong | 2005 Ultimate Tournament of Champions Round 1, game 4. |
| #4710, aired 2005-02-11 | Melissa Seal vs. Babu Srinivasan vs. Arthur Phillips | 2005 Ultimate Tournament of Champions Round 1, game 3. |
| #4709, aired 2005-02-10 | Michael Rankins vs. Rachael Schwartz vs. John Genova | 2005 Ultimate Tournament of Champions Round 1, game 2. |
| #4708, aired 2005-02-09 | Leslie Frates vs. Michael Galvin vs. Eric Terzuolo | 2005 Ultimate Tournament of Champions Round 1, game 1. |
| #4707, aired 2005-02-08 | Michael Braun vs. Wes Kovarik vs. Anne Shivers | 2005 Teen Tournament final game 2. |
| #4706, aired 2005-02-07 | Michael Braun vs. Wes Kovarik vs. Anne Shivers | 2005 Teen Tournament final game 1. |
| #4705, aired 2005-02-04 | Ruvani Fonseka vs. Wes Kovarik vs. Jimmy Li | 2005 Teen Tournament semifinal game 3. |
| #4704, aired 2005-02-03 | Michael Braun vs. Peter Severson vs. Caitlin Cook | 2005 Teen Tournament semifinal game 2. |
| #4703, aired 2005-02-02 | Steve Golden vs. Anne Shivers vs. Orlando Zambrano | 2005 Teen Tournament semifinal game 1. |
| #4702, aired 2005-02-01 | Amy Fletcher vs. Wes Kovarik vs. Anne Shivers | 2005 Teen Tournament quarterfinal game 5. |
| #4701, aired 2005-01-31 | Peter Severson vs. Chloé White vs. Orlando Zambrano | 2005 Teen Tournament quarterfinal game 4. |
| #4700, aired 2005-01-28 | Caitlin Cook vs. Allan Long vs. Whitney Prince | 2005 Teen Tournament quarterfinal game 3. |
| #4699, aired 2005-01-27 | Ruvani Fonseka vs. Steve Golden vs. Kerri Regan | 2005 Teen Tournament quarterfinal game 2. |
| #4698, aired 2005-01-26 | Michael Braun vs. Vanamali Compton vs. Jimmy Li | 2005 Teen Tournament quarterfinal game 1. |
| #4697, aired 2005-01-25 | Ted Stratton vs. Bob Shore vs. Leila Dooley | |
| #4696, aired 2005-01-24 | Ted Stratton vs. Tom McFarland vs. Katie Heim | |
| #4695, aired 2005-01-21 | Jen Noon vs. Ted Stratton vs. Matt Weedman | |
| #4694, aired 2005-01-20 | Steve Kaplan vs. Jonathan Smillie vs. Jen Noon | |
| #4693, aired 2005-01-19 | Bud Humphrey vs. Ali Moss vs. Steve Kaplan | |
| #4692, aired 2005-01-18 | Bud Humphrey vs. Rosann O'Reilly vs. Scott Johnson | |
| #4691, aired 2005-01-17 | Bud Humphrey vs. Tom Stenson vs. Barrett Hildreth | |
| #4690, aired 2005-01-14 | Tim Russell vs. Bud Humphrey vs. Suzanne Reeve | |
| #4689, aired 2005-01-13 | Tim Russell vs. Kevin Montgomery vs. Patricia Perlowski | |
| #4688, aired 2005-01-12 | Alex Rubington vs. Leslie Burns-Dell'Acqua vs. Tim Russell | |
| #4687, aired 2005-01-11 | Joshua Allen vs. Jonathan Henke vs. Alex Rubington | |
| #4686, aired 2005-01-10 | Joshua Allen vs. Rick Pernod vs. Jennie Gerres | |
| #4685, aired 2005-01-07 | Kerry Breitenbach vs. Ruchi Aggarwal vs. Joshua Allen | Kerry Breitenbach game 6. |
| #4684, aired 2005-01-06 | Kerry Breitenbach vs. Alli Hammond vs. Nick Hoffmann | Kerry Breitenbach game 5. |
| #4683, aired 2005-01-05 | Kerry Breitenbach vs. Harry Hall vs. Val Nieman | Kerry Breitenbach game 4. |
| #4682, aired 2005-01-04 | Kerry Breitenbach vs. Chris Mullins vs. Inez Friedman-Boyce | Kerry Breitenbach game 3. |
| #4681, aired 2005-01-03 | Kerry Breitenbach vs. David Jackman vs. Mia Hasouris | Kerry Breitenbach game 2. |
| #4680, aired 2004-12-31 | Maura Gatowski vs. Kerry Breitenbach vs. Michael Starsinic | Kerry Breitenbach game 1. |
| #4679, aired 2004-12-30 | Eric Schwendeman vs. Doug Esker vs. Maura Gatowski | |
| #4678, aired 2004-12-29 | Laurie Genevro Cole vs. Eric Schwendeman vs. Larry Haney | |
| #4677, aired 2004-12-28 | Aaron Thompson vs. Laurie Genevro Cole vs. Dan Suzman | Aaron Thompson game 4. |
| #4676, aired 2004-12-27 | Aaron Thompson vs. Christian Mastrodonato vs. David Gibbs | Aaron Thompson game 3. |
| #4675, aired 2004-12-24 | Aaron Thompson vs. Paul Boyer vs. Catherine Ewen | Aaron Thompson game 2. |
| #4674, aired 2004-12-23 | Hugh Price vs. Aaron Thompson vs. Jessica Ayers | Aaron Thompson game 1. (Alex: Today on Jeopardy!, rare access... |
| #4673, aired 2004-12-22 | Dale Masel vs. Hugh Price vs. David Camp | |
| #4672, aired 2004-12-21 | Lyle Brenner vs. Dale Masel vs. Emily Lawrence | |
| #4671, aired 2004-12-20 | Grayson Holmes vs. Michael Kalk vs. Lyle Brenner | |
| #4670, aired 2004-12-17 | Grayson Holmes vs. Jennifer West vs. Harry Sering | |
| #4669, aired 2004-12-16 | Joel Kahn vs. Grayson Holmes vs. Cliff Kowalczyk | |
| #4668, aired 2004-12-15 | Joel Kahn vs. Ethan de Seife vs. Maureen McKay | |
| #4667, aired 2004-12-14 | Robert Bowsher vs. Joel Kahn vs. Jerry Mayer | |
| #4666, aired 2004-12-13 | Robert Bowsher vs. Snow Tempest vs. David Davalos | |
| #4665, aired 2004-12-10 | Tom McCudden vs. Robert Bowsher vs. Colette Moran | |
| #4664, aired 2004-12-09 | Megan Susman vs. Karen Lafferty vs. Tom McCudden | |
| #4663, aired 2004-12-08 | Jackie Cipa vs. Alex Bready vs. Megan Susman | |
| #4662, aired 2004-12-07 | Dennis Grace vs. Jackie Cipa vs. Shelley Singh | |
| #4661, aired 2004-12-06 | Pete DeBalli vs. Dennis Grace vs. Andy Zimdars | |
| #4660, aired 2004-12-03 | Katie Fitzgerald vs. Pete DeBalli vs. Kord Heinemann | |
| #4659, aired 2004-12-02 | Katie Fitzgerald vs. Sherri Benoun vs. Josh Kolchins | |
| #4658, aired 2004-12-01 | Nancy Zerg vs. Nathan Brownback vs. Katie Fitzgerald | Ken Jennings is brought out at the beginning to be... |
| #4657, aired 2004-11-30 | Ken Jennings vs. Nancy Zerg vs. David Hankins | Ken Jennings game 75. Nancy Zerg ends Ken's streak. (Jerry... |
| #4656, aired 2004-11-29 | Ken Jennings vs. Rob Kimbro vs. Kathi Fry | Ken Jennings game 74. |
| #4655, aired 2004-11-26 | Ken Jennings vs. Andrew Smith vs. Sanda Kurtz | Ken Jennings game 73. |
| #4654, aired 2004-11-25 | Ken Jennings vs. Philip Graves vs. Whitney Donaghy | Ken Jennings game 72. |
| #4653, aired 2004-11-24 | Ken Jennings vs. Lisa Buckhout vs. Dan Ford | Ken Jennings game 71. Ken sets a new second-highest single-day... |
| #4652, aired 2004-11-23 | Kermin Fleming vs. Rachel McCool vs. Ari Schoenholtz | 2004 College Championship final game 2. |
| #4651, aired 2004-11-22 | Kermin Fleming vs. Rachel McCool vs. Ari Schoenholtz | 2004 College Championship final game 1. |
| #4650, aired 2004-11-19 | Kermin Fleming vs. Kelley Burd vs. Lindsey Hargrove | 2004 College Championship semifinal game 3. |
| #4649, aired 2004-11-18 | Lily Wang vs. Rachel McCool vs. Amory Jendrek | 2004 College Championship semifinal game 2. |
| #4648, aired 2004-11-17 | Casey Retterer vs. Ari Schoenholtz vs. Vicky Manos | 2004 College Championship semifinal game 1. |
| #4647, aired 2004-11-16 | Rachel McCool vs. Brad Selvig vs. Christina Maes | 2004 College Championship quarterfinal game 5. |
| #4646, aired 2004-11-15 | Lily Wang vs. Ari Schoenholtz vs. Lindsey Hargrove | 2004 College Championship quarterfinal game 4. |
| #4645, aired 2004-11-12 | Larry Marshall vs. Kelley Burd vs. Matt Bushell | 2004 College Championship quarterfinal game 3. |
| #4644, aired 2004-11-11 | Amanda Nowotny vs. Jeff Love vs. Vicky Manos | 2004 College Championship quarterfinal game 2. |
| #4643, aired 2004-11-10 | Kermin Fleming vs. Amory Jendrek vs. Casey Retterer | 2004 College Championship quarterfinal game 1. |
| #4642, aired 2004-11-09 | Ken Jennings vs. Jeff Hoppes vs. Dave Oosterhuis | Ken Jennings game 70. |
| #4641, aired 2004-11-08 | Ken Jennings vs. Robert Kirkpatrick vs. Jennifer Peebles | Ken Jennings game 69. |
| #4640, aired 2004-11-06 | Ken Jennings vs. Ryan Cook vs. Leo Wolpert | Ken Jennings game 68. U.S. presidential election coverage on 2004-11-02... |
| #4639, aired 2004-11-05 | Ken Jennings vs. John Murray vs. Elizabeth Costello | Ken Jennings game 67. |
| #4638, aired 2004-11-04 | Ken Jennings vs. Jerry Taggart vs. Jennifer Knapp | Ken Jennings game 66. |
| #4637, aired 2004-11-03 | Ken Jennings vs. Denise Tanyol vs. Rob Perry | Ken Jennings game 65. Ken breaks Kevin Olmstead's record for... |
| #4636, aired 2004-11-01 | Ken Jennings vs. Ben Wiles vs. Lisa Ellis | Ken Jennings game 64. |
| #4635, aired 2004-10-29 | Ken Jennings vs. Brian Shipley vs. Sandy Grimwade | Ken Jennings game 63. Ken gets his tenth consecutive correct... |
| #4634, aired 2004-10-28 | Ken Jennings vs. Lori Ann Tennant vs. Bob Joseph | Ken Jennings game 62. |
| #4633, aired 2004-10-27 | Ken Jennings vs. Adam Villani vs. Merritt Hamilton Allen | Ken Jennings game 61. |
| #4632, aired 2004-10-26 | Ken Jennings vs. Jeff Matthews vs. Mary Carpenter | Ken Jennings game 60. |
| #4631, aired 2004-10-25 | Ken Jennings vs. Jennifer Harriss vs. Nathan Gordon | Ken Jennings game 59. Ken breaks the $2 million mark. |
| #4630, aired 2004-10-22 | Ross Gardiner vs. Theodora Messalas vs. Patrick Zakem | 2004-B Kids Week game 5. |
| #4629, aired 2004-10-21 | Lorna Johnson vs. Edward Lee vs. Alex Nutman | 2004-B Kids Week game 4. |
| #4628, aired 2004-10-20 | Josh Klein vs. Grace Thomas vs. Tamika Turner | 2004-B Kids Week game 3. |
| #4627, aired 2004-10-19 | Jake Houser vs. Nithya Kubendran vs. Emily Riippa | 2004-B Kids Week game 2. |
| #4626, aired 2004-10-18 | Megan Fraedrich vs. Tim Koch vs. Kelly Scurry | 2004-B Kids Week game 1. |
| #4625, aired 2004-10-15 | Ken Jennings vs. Josh Rosenfeld vs. José Ruiz Jr. | Ken Jennings game 58. |
| #4624, aired 2004-10-14 | Ken Jennings vs. Graham House vs. K.C. Backer | Ken Jennings game 57. (Tie Domi: Hi, I'm Tie Domi... |
| #4623, aired 2004-10-13 | Ken Jennings vs. Marielle Poss vs. Larry Bellinger | Ken Jennings game 56. |
| #4622, aired 2004-10-12 | Ken Jennings vs. Matt Kleinmaier vs. Marcy Palino | Ken Jennings game 55. (Jimmy: Howdy! Come along and sing... |
| #4621, aired 2004-10-11 | Ken Jennings vs. Sunny Schomaker vs. Tristan Mabry | Ken Jennings game 54. (Cheryl: Go to outer space without... |
| #4620, aired 2004-10-08 | Ken Jennings vs. Aimee Watson vs. Al Lindke | Ken Jennings game 53. |
| #4619, aired 2004-10-07 | Ken Jennings vs. Steve Kornya vs. Jennifer Lord | Ken Jennings game 52. |
| #4618, aired 2004-10-06 | Ken Jennings vs. Kathryn Dorminey vs. Bill Carter | Ken Jennings game 51. |
| #4617, aired 2004-10-05 | Ken Jennings vs. Pat Greene vs. Jay Wolman | Ken Jennings game 50. |
| #4616, aired 2004-10-04 | Ken Jennings vs. Jeff Suchard vs. Beth Salkind | Ken Jennings game 49. First regular play game of Season... |
| #4615, aired 2004-10-01 | Arthur Gandolfi vs. Tom Walsh vs. Russ Schumacher | 2004 Tournament of Champions final game 2. |
| #4614, aired 2004-09-30 | Arthur Gandolfi vs. Tom Walsh vs. Russ Schumacher | 2004 Tournament of Champions final game 1. |
| #4613, aired 2004-09-29 | Tom Baker vs. Arthur Gandolfi vs. Steve Reynolds | 2004 Tournament of Champions semifinal game 3. |
| #4612, aired 2004-09-28 | Tom Walsh vs. Anne Boyd vs. Chris Miller | 2004 Tournament of Champions semifinal game 2. |
| #4611, aired 2004-09-27 | Russ Schumacher vs. Seth Alcorn vs. Vinita Kailasanath | 2004 Tournament of Champions semifinal game 1. |
| #4610, aired 2004-09-24 | Sean Ryan vs. Anne Boyd vs. Jim Stalley | 2004 Tournament of Champions quarterfinal game 5. |
| #4609, aired 2004-09-23 | Chris Miller vs. Tom Baker vs. Russ Schumacher | 2004 Tournament of Champions quarterfinal game 4. |
| #4608, aired 2004-09-22 | John Beck vs. Scott Renzoni vs. Vinita Kailasanath | 2004 Tournament of Champions quarterfinal game 3. |
| #4607, aired 2004-09-21 | Tom Walsh vs. Seth Alcorn vs. Steve Reynolds | 2004 Tournament of Champions quarterfinal game 2. |
| #4606, aired 2004-09-20 | Arthur Gandolfi vs. Sam Ott vs. Keith Williams | 2004 Tournament of Champions quarterfinal game 1. |
| #4605, aired 2004-09-17 | Ken Jennings vs. Marilyn Werner vs. Greg Taylor | Ken Jennings game 48. |
| #4604, aired 2004-09-16 | Ken Jennings vs. John Cook vs. Elaine Skopelja | Ken Jennings game 47. |
| #4603, aired 2004-09-15 | Ken Jennings vs. Cara Butler vs. David Fishbach | Ken Jennings game 46. |
| #4602, aired 2004-09-14 | Ken Jennings vs. Kate Duffy vs. Robert Quinn | Ken Jennings game 45. |
| #4601, aired 2004-09-13 | Ken Jennings vs. Dana Dolan vs. Bruce England | Ken Jennings game 44. |
| #4600, aired 2004-09-10 | Ken Jennings vs. Kollin Min vs. Bill Scheller | Ken Jennings game 43. |
| #4599, aired 2004-09-09 | Ken Jennings vs. Amy Helmes vs. Todd Perkins | Ken Jennings game 42. |
| #4598, aired 2004-09-08 | Ken Jennings vs. Adam Meyer vs. Laura Gustafson | Ken Jennings game 41. |
| #4597, aired 2004-09-07 | Ken Jennings vs. Bob Watts vs. Rich Hartz | Ken Jennings game 40. |
| #4596, aired 2004-09-06 | Ken Jennings vs. Betsey Casman vs. J.D. Smith | Ken Jennings game 39. First game of Season 21. New title graphics. |
[Daily Double statistics] [Final Jeopardy! Round statistics] [Miscellaneous statistics] [Shore's Conjecture games] [FJ!s]