Today's Contestants: Kristine O'Connell-McCoy vs. Sarah Mulloy vs. Ken Jennings

Today's Contestants: Denele Hamada vs. Michael Jaeger vs. Ken Jennings

Today's Contestants: Art Borgemenke vs. Liese Tamburrino vs. Ken Jennings

Today's Contestants: Susan Keller vs. Christopher Mensel vs. Ken Jennings

Today's Contestants: Tim Crockett vs. Beverly Herter vs. Ken Jennings

Today's Contestants: Frank McNeil vs. Mary McCarthy vs. Ken Jennings

Today's Contestants: Tom Vanderloo vs. Lou Ascatigno vs. Ken Jennings

Today's Contestants: Darcy Smith vs. Greg Narver vs. Ken Jennings

Today's Contestants: Max Corrick vs. Irene Lawrence vs. Ken Jennings

Today's Contestants: Jennifer Lajewski vs. Rich Carroll vs. Ken Jennings

Today's Contestants: Darcy Vernier vs. Kate Carlyle vs. Ken Jennings

Today's Contestants: Leonard Koss vs. Oliver Mellet vs. Ken Jennings

Today's Contestants: Vanessa Osborne vs. Michael Vance vs. Ken Jennings

Today's Contestants: Jenny Miller vs. Tom Aquino vs. Ken Jennings

Today's Contestants: Nick Aretakis vs. Lucinda Sabino vs. Ken Jennings

Today's Contestants: Mary Ann Eitler vs. Judy MacLeod Reardon vs. Ken Jennings

Today's Contestants: Chris Mason vs. Vicki Reynolds vs. Ken Jennings

Today's Contestants: Sue Richman vs. Ryan McClarren vs. Ken Jennings

Today's Contestants: Laura Leslie vs. Alan Paul vs. Ken Jennings

Today's Contestants: Lori Fountain vs. Michael Magdalena vs. Ken Jennings

Today's Contestants: Michael Cudahy vs. Chris Edwards vs. Ken Jennings

Today's Contestants: Miriam Bamberger vs. Bryan Givens vs. Ken Jennings

Today's Contestants: Sarah Jane Woodall vs. Cathy Weber vs. Ken Jennings

Today's Contestants: Kelly Parker vs. Rick Faulkner vs. Ken Jennings

Today's Contestants: Scheri Mullins vs. Matt Ottinger vs. Ken Jennings

Today's Contestants: Ellen Cook vs. Bret Bradigan vs. Ken Jennings

Today's Contestants: Deirdre Basile vs. Steve DiGiulio vs. Ken Jennings

Today's Contestants: Josh Thorpe vs. Patricia Davis vs. Ken Jennings

Today's Contestants: David Steinhardt vs. Karen Gasperino vs. Ken Jennings

Today's Contestants: Joe Riley vs. Carla DenHartog vs. Ken Jennings

Today's Contestants: Ethan Culbreth vs. Al Arsenault vs. Ken Jennings

Today's Contestants: Laura Adomunas vs. Susan Gress vs. Ken Jennings

Today's Contestants: Anne Fritz vs. Kevin Stanley vs. Ken Jennings

Today's Contestants: Paula Filson vs. Corey Halgren vs. Ken Jennings

Today's Contestants: Clinton Wieden vs. Josh Hornik vs. Ken Jennings

Today's Contestants: Dane Petersen vs. Neil Thom vs. Ken Jennings

Today's Contestants: Carrie Youngblood vs. Chad Kaihe vs. Ken Jennings

Today's Contestants: Julia Lazarus vs. Ken Jennings vs. Jerry Harvey

Today's Contestants: Sue McClung vs. Toby Guebert vs. Jerry Harvey

Today's Contestants: Jerry Harvey vs. Patti Gregg vs. Anne Boyd

Today's Contestants: Philip Blustein vs. Jen Jorczak vs. Anne Boyd

Today's Contestants: Andy Yermack vs. M'Liss Moore vs. Anne Boyd

Today's Contestants: Martha Fingleton vs. Larry Hamberlin vs. Anne Boyd

Today's Contestants: Anne Boyd vs. Glenn Fechner vs. Jeremy Schanck

Today's Contestants: Gina George vs. Daniel Morgan vs. Jeremy Schanck

Today's Contestants: Juan Carlos Batlle vs. Jeremy Schanck vs. Paul Nethercut

Today's Contestants: Robert Furtney vs. Paul Nethercut vs. Kristina Alexander

Today's Contestants: Kristina Alexander vs. Tim MacGowan vs. Al Davis

Today's Contestants: Suzanne LaVere vs. Matt Cookson vs. Al Davis

Today's Contestants: Bill Kinnaird vs. Laura Paquet vs. Al Davis

Today's Contestants: Tavis Smiley vs. Christie Whitman vs. Tim Russert

Today's Contestants: Keith Olbermann vs. Gretchen Carlson vs. Al Franken

Today's Contestants: Aaron Brown vs. Ashleigh Banfield vs. Ari Fleischer

Today's Contestants: Kweisi Mfume vs. Maria Bartiromo vs. Anderson Cooper

Today's Contestants: Tucker Carlson vs. Peggy Noonan vs. Bob Woodward

Today's Contestants: Amanda Hall vs. Taylor Gailliot vs. Dominic Clust Location: From Washington, D.C.

Today's Contestants: Marshall Tan vs. Guy Tabachnick vs. Robin Kutner Location: From Washington, D.C.

Today's Contestants: Tucker Warner vs. Leatrice Potter vs. Okey Chikezie Location: From Washington, D.C.

Today's Contestants: Holly Flynn vs. Wil Curiel vs. Michelle Chang Location: From Washington, D.C.

Today's Contestants: Alex Silady vs. Naomi Senbet vs. Crystal Durham Location: From Washington, D.C.

Today's Contestants: Jennifer Morgan vs. Al Davis vs. Don Kraft

Today's Contestants: Don Kraft vs. Nancy Floyd vs. Dave Stern

Today's Contestants: Teresa McGervey vs. Dave Stern vs. Frank Dempsey

Today's Contestants: Sarah Wagner vs. Frank Dempsey vs. Doug Grenier

Today's Contestants: Richard Sautter vs. Doug Grenier vs. Tom Baker

Today's Contestants: Marc Anderson vs. Liz Lynch vs. Tom Baker

Today's Contestants: James Rogers vs. Susan Durham vs. Tom Baker

Today's Contestants: Wendy Ruopp vs. Tom Baker vs. David Abolafia

Today's Contestants: Dan Rowley vs. Nancy Fink vs. David Abolafia

Today's Contestants: David Abolafia vs. Wilson Lee vs. Geoff Strain

Today's Contestants: Ed Kim vs. Geoff Strain vs. Stan Brown

Today's Contestants: Mary Margaret Bell vs. Kevin Shortell vs. Stan Brown

Today's Contestants: Stan Brown vs. Jennifer Borman vs. Scott Renzoni

Today's Contestants: Billy Buchsbaum vs. Kristine Beck vs. Scott Renzoni

Today's Contestants: Lynn Stanton vs. Lance Higgins vs. Scott Renzoni

Today's Contestants: Michael Memberg vs. Deborah White vs. Scott Renzoni

Today's Contestants: Martha Blakeslee vs. Scott Renzoni vs. Chris Miller

Today's Contestants: Diana Wynne vs. Glenn Howes vs. Chris Miller

Today's Contestants: Jonathan Turer vs. Joy Schauer vs. Chris Miller

Today's Contestants: Bruce Williams vs. Jenny Taylor vs. Chris Miller

Today's Contestants: William Nicks vs. Bobbie Lewis vs. Chris Miller

Today's Contestants: Chris Miller vs. Sandi Hood vs. David Seminer

Today's Contestants: Linda Garvin vs. Becky Galipeau vs. David Seminer

Today's Contestants: Anne Noble vs. David Seminer vs. Valerie Takacs

Today's Contestants: Avi Schwartz vs. Suzan Hyssen vs. Valerie Takacs

Today's Contestants: Don Wynne vs. Valerie Takacs vs. Mike Smith

Today's Contestants: Mike Smith vs. Monica Shafer vs. Jack Rosenzweig

Today's Contestants: Tom Ogorzalek vs. Grace Suh vs. Jack Rosenzweig

Today's Contestants: Jack Rosenzweig vs. Debra Dondrea Galant vs. Sonja Srinivasan

Today's Contestants: Daniel Black vs. Brian G. Hartz vs. Sonja Srinivasan

Today's Contestants: Mary Gabe vs. Sonja Srinivasan vs. Steve Reynolds

Today's Contestants: Todd Kim vs. Kathy Mansbery vs. Steve Reynolds

Today's Contestants: Michael Berthold vs. Ann Dickie vs. Steve Reynolds

Today's Contestants: Jennifer Thorne vs. Nick Gebelt vs. Steve Reynolds

Today's Contestants: Sue Shelly vs. Steve Reynolds vs. Ellie O'Donnell

Today's Contestants: Pat Harder vs. Ellie O'Donnell vs. Bobby Goldstein

Today's Contestants: Doug Meyer vs. Donna Isbell Walker vs. Bobby Goldstein

Today's Contestants: George Lewis vs. Susie López vs. Bobby Goldstein

Today's Contestants: Bobby Goldstein vs. Deepa Iyengar vs. Beth Graham

Today's Contestants: Mike Weaver vs. Laura Simandl vs. Beth Graham

Today's Contestants: Beth Graham vs. Phil York vs. Matt Fisher

Today's Contestants: Jennifer Wilder vs. Matt Fisher vs. Chris Parsons

Today's Contestants: Chris Parsons vs. Judy Weisman vs. John Davies

Today's Contestants: Marisa Goldstein vs. John Davies vs. Patrick Macaraeg

Today's Contestants: Vince Valle vs. Jennifer Godwin vs. Patrick Macaraeg

Today's Contestants: Gay Hammond vs. Jeff Trumbower vs. Patrick Macaraeg

Today's Contestants: Patrick Macaraeg vs. Beverly Beardsley vs. Arthur Gandolfi

Today's Contestants: Damon DiPietro vs. Janice Dooner Lynch vs. Arthur Gandolfi

Today's Contestants: Janice Dooner Lynch vs. Sean Morris vs. Arthur Gandolfi

Today's Contestants: Deborah Walsh vs. Matt McDonell vs. Arthur Gandolfi

Today's Contestants: Chris Holden vs. Jennifer Wu vs. Courtney Bennis

Today's Contestants: Chris Holden vs. Jennifer Wu vs. Courtney Bennis

Today's Contestants: Courtney Bennis vs. Matt Nordsten vs. Oliver Sherouse

Today's Contestants: Heather Goodlett vs. Meghan Apfelbaum vs. Jennifer Wu

Today's Contestants: Chris Holden vs. Muhammad Meigooni vs. Kerry Lambeth

Today's Contestants: Jason Rindenau vs. Chris Holden vs. Lauren Drell

Today's Contestants: Oliver Sherouse vs. Kerry Lambeth vs. Meghan Apfelbaum

Today's Contestants: Matt Nordsten vs. Heather Goodlett vs. Ashley Anderson

Today's Contestants: Muhammad Meigooni vs. Brad Hoff vs. Courtney Bennis

Today's Contestants: Jennifer Wu vs. Zach Schoepflin vs. Emily Birkel

Today's Contestants: Lorraine Stalberg vs. Arthur Gandolfi vs. John Maloy

Today's Contestants: John Maloy vs. Cynthia Dvorak vs. David Johnston

Today's Contestants: Kim McShane vs. David Johnston vs. Marianne Henderson

Today's Contestants: Marianne Henderson vs. Ron Banks vs. Jeff Kuhn

Today's Contestants: Rice Whaley vs. Jennifer Quinn vs. Jeff Kuhn

Today's Contestants: Lisa Kaiser vs. Mike Janssen vs. Jeff Kuhn

Today's Contestants: Caroline Cross vs. Jeff Kuhn vs. Lili Williams

Today's Contestants: Elizabeth Fricker vs. Rob Poodiack vs. Lili Williams

Today's Contestants: Rich Quigley vs. Lili Williams vs. Todd Wilson

Today's Contestants: Todd Wilson vs. Neil Silverman vs. Margaret Meehan

Today's Contestants: Dave Meehan vs. Joy Forrester vs. Margaret Meehan

Today's Contestants: Margaret Meehan vs. Barry McKnight vs. Clinton Reese

Today's Contestants: Clinton Reese vs. Joanne Casey vs. Kate Charron

Today's Contestants: Matt Lohr vs. Kate Charron vs. Frank Amanat

Today's Contestants: Asad Jaleel vs. Regina Fitzsimmons vs. Frank Amanat

Today's Contestants: Carolyn Zsoldos vs. Clay Wilson vs. Frank Amanat

Today's Contestants: Frank Amanat vs. Liz Slaby vs. Steve Hall

Today's Contestants: Steve Hall vs. Dave Fuller vs. Tom Walsh

Today's Contestants: Meg Wall-Wild vs. Dave Fuller vs. Tom Walsh

Today's Contestants: Snowden Becker vs. Ron Blood vs. Tom Walsh

Today's Contestants: A.J. Monaco vs. Jennifer Rojo vs. Tom Walsh

Today's Contestants: Michael Schlitzer vs. Belinda Reid vs. Tom Walsh

Today's Contestants: Luis Corchado vs. Melanie Leon vs. Tom Walsh

Today's Contestants: Lisa Cherry vs. Chris Serb vs. Tom Walsh

Today's Contestants: Tom Walsh vs. Naomi Brokaw vs. Joe Wolke

Today's Contestants: Luke McConnell vs. Joe Wolke vs. Faith O'Neal

Today's Contestants: Faith O'Neal vs. Clint Hill vs. Micah Morken

Today's Contestants: Brenna McGowan vs. Robert Gonzalez vs. Micah Morken

Today's Contestants: Kasey Berry vs. Micah Morken vs. Chris Stansfield

Today's Contestants: Riki Swanson vs. Chris Stansfield vs. John Salmon

Today's Contestants: Jennifer Pelletier vs. John Salmon vs. Jamie Aliperti

Today's Contestants: Kim Lothringer vs. Jamie Aliperti vs. Patricia Baillif

Today's Contestants: Brad Ritter vs. Patricia Baillif vs. Andy Thomas

Today's Contestants: Bernadette Price vs. Andy Thomas vs. Erika Rogers

Today's Contestants: Tom Underwood vs. James Meyers vs. Erika Rogers

Today's Contestants: Kathleen Mainhart vs. Christian Maher vs. Erika Rogers

Today's Contestants: Dave Oberhart vs. Erika Rogers vs. Michele Bassett

Today's Contestants: Michele Bassett vs. Randal Allred vs. John Haynes

Today's Contestants: John Haynes vs. Erin Topping vs. Wes Johnson

Today's Contestants: Miriam Kadansky vs. Steve Schneider vs. Wes Johnson

Today's Contestants: Wes Johnson vs. Tim Heaney vs. Molly Strothmann

Today's Contestants: Molly Strothmann vs. Art Seaman vs. Patrick Fernan

Today's Contestants: Cathryn Colby vs. Neal Racioppo vs. Patrick Fernan

Today's Contestants: Eok Ngo vs. Sandy Topping vs. Patrick Fernan

Today's Contestants: Patrick Fernan vs. Mindy Steinberg vs. Renie Sotiropoulos

Today's Contestants: Brian Lambert vs. Renie Sotiropoulos vs. Jeffrey Burcaw

Today's Contestants: Jeffrey Burcaw vs. Ben Eggenberger vs. Lillie Salsberry

Today's Contestants: Lillie Salsberry vs. Tom Parker vs. Robert Morgan

Today's Contestants: Rebecca Fahrendorf vs. Robert Morgan vs. Benni Adkins

Today's Contestants: Jim Wilson vs. Benni Adkins vs. Kathy Chappell

Today's Contestants: Philip Cramer vs. Celeste Walker vs. Kathy Chappell

Today's Contestants: Alan Cummings vs. Kathy Chappell vs. Karen Kratzer

Today's Contestants: Bobby Greenfeld vs. Gina Bever vs. Karen Kratzer

Today's Contestants: Joe Holtzmann vs. Karen Kratzer vs. Scott Troy

Today's Contestants: Traci Brandon vs. Michael O'Mara vs. Scott Troy

Today's Contestants: Grant Hutchinson vs. Keith Williams vs. Josh Perkins Location: From Yale University.

Today's Contestants: Grant Hutchinson vs. Keith Williams vs. Josh Perkins Location: From Yale University.

Today's Contestants: Josh Perkins vs. Robby Schrum vs. Heather Groggel Location: From Yale University.

Today's Contestants: Ken Basin vs. Jim Fitzpatrick vs. Keith Williams Location: From Yale University.

Today's Contestants: Grant Hutchinson vs. Alex Albrecht vs. Ellen Auer Location: From Yale University.

Today's Contestants: Amanda Johnson vs. Grant Hutchinson vs. Heather Groggel Location: From Yale University.

Today's Contestants: Josh Perkins vs. Jim Fitzpatrick vs. Ellen Auer Location: From Yale University.

Today's Contestants: Joyce Yuan vs. Keith Williams vs. Lee Tucker Location: From Yale University.

Today's Contestants: Karli Kosman vs. Lauren Henderson vs. Alex Albrecht Location: From Yale University.

Today's Contestants: Robby Schrum vs. Mary Naam vs. Ken Basin Location: From Yale University.

Today's Contestants: Laurie Dinnerstein vs. Scott Troy vs. Michele Liguori

Today's Contestants: Michele Liguori vs. Julie Harris vs. Chuck Ladd

Today's Contestants: Stacie Court vs. Chuck Ladd vs. Sarah Robertson

Today's Contestants: Sarah Robertson vs. Mike Nichols vs. Mary Treisbach

Today's Contestants: Mary Treisbach vs. Frank Amanat vs. Christopher Eaton

Today's Contestants: Gina Makarski vs. Christopher Eaton vs. Alicen Nadal

Today's Contestants: Lee Retzlaff vs. Alicen Nadal vs. John Lindquist

Today's Contestants: Saul Rollason vs. Judy Olson vs. John Lindquist

Today's Contestants: Gary Conley vs. Sara Uehlein vs. John Lindquist

Today's Contestants: Chrissy Adams vs. John Lindquist vs. Mike Garabedian

Today's Contestants: Randy Childs vs. Mary Curtis vs. Mike Garabedian

Today's Contestants: Elana Rosen vs. Mike Garabedian vs. Russ Schumacher

Today's Contestants: Gina Ash vs. Dick Fernberg vs. Russ Schumacher

Today's Contestants: Parker Morrison vs. David Burgoyne vs. Russ Schumacher

Today's Contestants: Kevin Lamp vs. Lynne Bruschetti vs. Russ Schumacher

Today's Contestants: Arlen Schweiger vs. Russ Schumacher vs. Katie Durham

Today's Contestants: Jack Turner vs. Katie Durham vs. Sean Ryan

Today's Contestants: Chris Fite vs. Dana Maher vs. Sean Ryan

Today's Contestants: Bridget Kirk vs. David Kammerer vs. Sean Ryan

Today's Contestants: Marc Carcanague vs. Emily Robin vs. Sean Ryan

Today's Contestants: Melanie Cruanes vs. Steve Altes vs. Sean Ryan

Today's Contestants: Linda Simplicio vs. Brian Brown vs. Sean Ryan

Today's Contestants: Sean Ryan vs. Cathy Strybel vs. Jeremy Harmon

Today's Contestants: Alison Haertjens vs. Jeremy Harmon vs. Amy Carruthers

Today's Contestants: Amy Carruthers vs. Matt Campanaro vs. Tom Massimo

Today's Contestants: Jason Flowers vs. Vane Lucas vs. Tom Massimo

Today's Contestants: Sara Wilska vs. Tom Massimo vs. Elisabeth Corkran

Today's Contestants: Elisabeth Corkran vs. Brad Telford vs. Chuck Champagne

Today's Contestants: Steve Stone vs. Sibel Oyman vs. Chuck Champagne

Today's Contestants: Doug Jungemann vs. Leslie Basalla vs. Chuck Champagne

Today's Contestants: Josh Woo vs. Becca Portman vs. Matt Bischoff

Today's Contestants: Ashley Smith vs. Deirdre Kessler vs. Ranz Errazo

Today's Contestants: Suzie Turnage vs. Raymond Singh vs. Cody Boutilier

Today's Contestants: Max Siegel vs. Courtney Biscan vs. Miri Baker

Today's Contestants: Aaron Sauter vs. Jake Logan vs. Mariah Black

Today's Contestants: Chuck Champagne vs. Dave Hoffman vs. Michael Shapiro

Today's Contestants: Michael Shapiro vs. Sue Phillips vs. Brian Hindelang

Today's Contestants: Marybeth Meakim vs. Sylvia Parker vs. Brian Hindelang

Today's Contestants: Becky Peeler vs. Brian Hindelang vs. Jill Kaiser

Today's Contestants: Lynne Bongiovanni vs. James Burns vs. Jill Kaiser

Today's Contestants: Jill Kaiser vs. Bernie McGorrey vs. Aimee deLaricheliere

Today's Contestants: Aimee deLaricheliere vs. Alan Bjerga vs. Sam Ott

Today's Contestants: Diane Wing vs. Kierre Daniels vs. Sam Ott

Today's Contestants: Matt McWha vs. Mary Laferriere vs. Sam Ott

Today's Contestants: Sharon Fenick vs. Nick Thurkettle vs. Sam Ott