Season
- Season 0 2012-08-26
- Season 1 2009-07-16
- Season 2 2010-01-14
- Season 3 2010-09-09
- Season 5 2011-09-25
- Season 6 2012-01-08
- Season 7 2012-06-17
- Season 8 2012-09-09
- Season 9 2013-01-06
- Season 10 2013-06-16
- Season 11 2014-01-05
- Season 12 2015-01-04
- Season 13 2016-01-03
- Season 14 2017-01-03
- Season 15 2018-01-07
- Season 16 2019-01-06
- Season 17 2020-01-05
- Season 18 2021-01-03
- Season 19 2022-01-05
- Season 20 2023-01-02
- Season 21 2024-01-07
Episode
- Episode 1: Robyn Dixon, Dr. Simone Whitmore
- Episode 2: Max Salvador, Lily Davison
- Episode 3: Busy Philipps, Dan Levy
- Episode 4: Lisa Hochstein, Larsa Pippen
- Episode 5: Kevin Hart
- Episode 6: Gizelle Bryant & Renee Rapp
- Episode 7: Jack Luby & Luka Brunton
- Episode 8: Mercedes "MJ" Javid & Jeff Lewis
- Episode 9: Erika Jayne & Dr. Nicole Martin
- Episode 10: Southern Charm: Leva, Austen & Craig
- Episode 11: Candiace Dillard Bassett & Phaedra Parks
- Episode 12: Capt. Sandy Yawn & Tumi Mhlongo
- Episode 13: Heather Gay & Joel Kim Booster
- Episode 14: Alexia Nepola & Sofia Vergara
- Episode 15: Luann De Lesseps & Joe Bradley
- Episode 16: Nneka Ihim and Lateasha Lunceford
- Episode 17: Kate Chastain and Chrissy Teigen
- Episode 18: Lala Kent and Michael Rapaport
- Episode 19: Annemarie Wiley and Chloe Fineman
- Episode 20: Catherine O'Hara and Bryan Cranston
- Episode 21: Ashley Darby and Dr. Alicia Egolum
- Episode 22: Captain Kerry Titheradge and Fraser Olender
- Episode 23: Scheana Shay and Ryan Serhant
- Episode 24: Sutton Stracke and Kaitlan Collins
- Episode 25: Alan Cumming & Darren Criss
- Episode 26: Janelle James and Dylan McDermott
- Episode 27: Maddi Reese and James Kennedy
- Episode 28: Adriana De Moura and Julia Lemigova
- Episode 29: Amy Schumer
- Episode 30: Karen Huger & Dr. Jackie Walters
- Episode 31: Da'Vine Joy Randolph & Second Gentleman Douglas Emhoff
- Episode 32: Jenna Dewan & Tom Schwartz
- Episode 33: Kyle Richards & Kiki Barth
- Episode 34: Southern Hospitality Season 2 Reunion
- Episode 35: Cush Jumbo & Gizelle Bryant
- Episode 36: Barbara “Barbie” Pascual & Jared Woodin
- Episode 37: Paige DeSorbo & Michelle Collins
- Episode 38: Cheryl Hines & Susie Essman
- Episode 39: Annaleigh Ashford & Danielle Olivera
- Episode 40: Candiace Dillard Bassett & Cynthia Bailey
- Episode 41: Kelly Ripa & Mark Consuelos
- Episode 42: Lala Kent & Ashley Tisdale
- Episode 43: Sonja Morgan & Denise Richards
- Episode 44: Lindsay Hubbard & Carson Kressley
- Episode 45: Robyn Dixon & Claudia Jordan
- Episode 46: Awkwafina & Ayesha Curry
- Episode 47: Ariana Madix & John Oliver
- Episode 48: Carrie Coon & Patton Oswalt
- Episode 49: Carl Radke & Trishelle Cannatella
- Episode 50: Dr. Wendy Osefo & Quad Webb
- Episode 51: Jenny McCarthy-Wahlberg & Ben Willoughby
- Episode 52: Katie Maloney & Lukas Gage
- Episode 53: Josh Lucas & José Andrés
- Episode 54: Kristen Wiig & Ricky Martin
- Episode 55: Mia Thornton & Leslie Bibb
- Episode 56: Nicola Coughlan & Brittany Cartwright
- Episode 57: Elizabeth Hurley & Brooke Shields
- Episode 58: Annabelle Dexter-Jones & Amanda Batula
- Episode 59: Bria Fleming & Shanice Henderson
- Episode 60: Alison Brie & Rebel Wilson
- Episode 61: Scheana Shay & Brock Davies
- Episode 62: Michaela Jae Rodriguez & Jerrod Carmichael
- Episode 63: Kyle Cooke & West Wilson
- Episode 64: Jasmine Ellis Cooper & Summer Marie Thomas
- Episode 65: Sara Bareilles & Ben Platt
- Episode 66: Kristen Doute & Tom Schwartz
- Episode 67: Pam Grier & Max Greenfield
- Episode 68: Ciara Miller & Tyler Cameron
- Episode 69: Selenis Leyva & Preston Mitchum
- Episode 70: Jennifer Tilly & Tumi Mhlongo
- Episode 71: Ally Lewber & Janet Caperna
- Episode 72: Jesse Tyler Ferguson & John Early
- Episode 73: Gabby Prescod & Lindsay Hubbard
- Episode 74: Kandi Burruss & Alex Tyree
- Episode 75: Rachael Harris & Dylan Pierre De Villiers
- Episode 76: Ariana Madix & Katie Maloney
- Episode 77: Kyra Sedgwick & Jim Gaffigan
- Episode 78: Danielle Olivera & Andrea Canning
- Episode 79: Dolores Catania & Mark Indelicato
- Episode 80: Charli XCX & Joe Manganiello
- Episode 81: Jax Taylor & Tom Sandoval
- Episode 82: Casey Wilson & Jessica St. Clair
- Episode 83: Carl Radke & Jesse Solomon
- Episode 84: Melissa Gorga & Meghan McCain
- Episode 85: Barbara Pascual & Paris Field
- Episode 86: Lisa Vanderpump & Gordan Ramsay
- Episode 87: Andra Day & Cecily Strong
- Episode 88: Patti Stanger & Amanda Batula
- Episode 89: Margaret Josephs & Nick Arrington
- Episode 90: Julia Fox & Shay Mitchell
- Episode 91: Michelle Buteau & Jesse Lally
- Episode 92: Top Chef: Gail, Kristen & Tom
- Episode 93: Kyle Cooke & Paul Scheer
- Episode 94: Summer House: Martha's Vineyard Reunion
- Episode 95: Teresa Giudice & Joel Kim Booster
- Episode 96: Captain Sandy Yawn & Jennifer Esposito
- Episode 97: Lesa Milan & Tabatha Coffey
- Episode 98: Tony Hale & Meghan Trainor
- Episode 99: James Brolin & Tony Goldwyn
- Episode 100: Jackie Goldschneider & Jennifer Fessler
- Episode 101: Aesha Scott & Elena Dubaich
- Episode 102: Caroline Stanbury & Jeff Lewis
- Episode 103: Abby Elliott & Craig Melvin
- Episode 104: Iggy Azalea & Sandra Bernhard
- Episode 105: Rachel Fuda & Heidi Gardner
- Episode 106: Bri Muller & Gael Cameron
- Episode 107: Taleen Marie & Bryan Safi
- Episode 108: Eva Longoria & Chace Crawford
- Episode 109: Jordan Klepper & Adam Lambert
- Episode 110: 15th Anniversary Special
- Episode 111: Joe Bradley & Nathan Gallagher
- Episode 112: Hoda Kotb and Savannah Guthrie
- Episode 113: Rashida Jones and Joey King
- Episode 114: Shannon Storms Beador and Kate Upton
- Episode 115: Gary Janetti and Jennifer Aydin
- Episode 116: Johnathan Shillingford and Iain Maclean
- Episode 117: Caroline Brooks and Tracy Tutor
- Episode 118: Kate Hudson Brad Goreski
- Episode 119: Jennifer Pedranti and Ryan Serhant
- Episode 120: Danielle Cabral and David Arquette
- Episode 121: Dave Bautista and Ken Jeong
- Episode 122: Lesa Milan and Alyssa Farah Griffin
- Episode 123: Cindy Crawford and Colman Domingo
Watch What Happens Live with Andy Cohen - Season 21 Episode 94 : Summer House: Martha's Vineyard Reunion
As the reunion kicks off, Alex, Summer and Noelle address their love triangle. Amir discusses his relationship with Natalie. Jasmine tries to get to the bottom of why she’s always left out.
