Frat Brothers vs. FriendsA pair of fraternity brothers (Alex & Joseph) compete against two female best friends (Jessee & Cassidy) to answer puzzles.
Canadian Friends vs. Recently Engaged
D2
Canadian Friends vs. Recently EngagedCanadian best friends (Lynze & Sara) compete against an engaged couple (Amanda & Robert) to answer difficult puzzles.
Twin Brothers vs. Suburban Married Couple
D3
Twin Brothers vs. Suburban Married CoupleTwin brothers compete against a suburban married couple from New Jersey.
Best Friends vs. Sisters
D4
Best Friends vs. SistersBest friends compete against sisters to answer difficult puzzles.
Trekkies vs. Odd Couple
D5
Trekkies vs. Odd CoupleA man good at celebrity impressions and his wife (Seth & Holly) compete against a couple (Briana & Brian).
West Coast vs. East Coast
D6
West Coast vs. East CoastWest coast cousins (Rachel & Jenaya) compete against an east coast mother and daughter (Cori & Linda).
America vs. France
D7
America vs. FranceAmerican friends (Amy & Marilyn) compete against a married couple from France (Deborah & Maxime) to answer brain teaser puzzles.
Fitness Trainer Friends vs. Public Service Couple
D8
Fitness Trainer Friends vs. Public Service CoupleAn Iraq War Veteran and his wife compete.
Best Friends vs. Roommates
D9
Best Friends vs. RoommatesA woman with an IQ of 145 and her roommate (Charlie & Danielle) compete against two best friends (Mark & Dan).
McKinney Sisters vs Comic-Con Couple
D10
McKinney Sisters vs Comic-Con CoupleTwo sisters compete against a dating couple.
Engaged Couple vs. Frat Brothers
D11
Engaged Couple vs. Frat BrothersA MENSA member and his frat brother (Matt & Justin) compete against an engaged couple (Joe & Jessica).
Brothers vs. Dating
D12
Brothers vs. DatingBeat box brothers Max & Sam compete against dating lawyers John & April to answer difficult puzzles.
College Friends vs. Married Couple
D13
College Friends vs. Married CoupleCollege friends (Nicole & Andrew) compete against a literature professor and her husband (Erica & Diego).
Married Couple vs. Childhood Friends
D14
Married Couple vs. Childhood FriendsChildhood friends (Kelsey & JR) compete against a married couple (Kara & Brandon).
Friends vs. Engaged
D15
Friends vs. EngagedA minister and his friend (Leah & Ray) compete against an engaged couple (Tiffany & Dan) to answer puzzles.
Friends vs. Friends
D16
Friends vs. FriendsA spiritual psychologist and her teammate (Tomek & Heidi) compete against two friends (Matt & Chauncey).
Childhood Best Friends vs. Best Friends
D17
Childhood Best Friends vs. Best FriendsA man who can solve a Rubik's Cube with his feet and a friend (Peter & Greg) compete against childhood best friends (Jessica & Deven).
College Sweethearts vs. Best Friends
D18
College Sweethearts vs. Best FriendsTwo best friends (Donivan & Steven) compete against college sweethearts (Jacquis & Jessica) to answer increasingly difficult puzzles.
USC vs. UCLA
D19
USC vs. UCLAUCLA graduates (Karl & Alexi) compete against USC alumnae (Tiffany & Sarah) to answer difficult puzzles.
Díl 20
D20
Díl 20
Coworkers vs. Friends
D21
Coworkers vs. FriendsAn amateur mentalist and his co-worker (Hannah & Jeremy) compete against friends (Jamie & Taylor).
Sisters vs. Couple
D22
Sisters vs. CoupleTwo sisters (Princess & Kimberlina) compete against a dating couple (Sarah & Joe).
Best Friends vs. Co-workers
D23
Best Friends vs. Co-workersA puppeteer and her co-worker (Jake & Natalia) compete against best friends (Drew & Charley) with difficult brain teaser puzzles.
Díl 24
D24
Díl 24
Idiotest 25
D25
Idiotest 25A man who is good at celebrity impressions and his wife compete against a dating couple to answer increasingly difficult brain teaser puzzles.
Idiotest 26
D26
Idiotest 26Twin sisters compete against best friends to answer increasingly difficult brain teaser puzzles.
Childhood Friends vs. Engaged
D27
Childhood Friends vs. EngagedChildhood friends (Roger & Jennifer) compete against an engaged couple (Tiffany & Manuel).
