| 001 | 2012 | Lexicon Valley #1, “A Sin of Which None Is Guilty” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 002 | 2012 | Lexicon Valley #2, “A Bundle of Faggots” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 003 | 2012 | Lexicon Valley #3, “Consider the Lamppost” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 004 | 2012 | Lexicon Valley #4, “Jumpin' Salty in the O” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 005 | 2012 | Lexicon Valley #5, “Untuning the String” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 006 | 2012 | Lexicon Valley #6, “A Meditation on Scrabble” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 007 | 2012 | Lexicon Valley #7, “A Needle Pulling Thread” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 008 | 2012 | Lexicon Valley #8, “When Nouns Grew Genitals” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 009 | 2012 | Lexicon Valley #9, “And May He Be a Masculine Bridge” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 010 | 2012 | Lexicon Valley #10, “One Giant Leap for Humanity” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 011 | 2012 | Lexicon Valley #11, “When Being Done Replaced Doing” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 012 | 2012 | Lexicon Valley #12, “The Eloquence of Plain English” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 013 | 2012 | Lexicon Valley #13, “Capturing the Past” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 014 | 2012 | Lexicon Valley #14, “By Their Words You Shall Know Them” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 015 | 2012 | Lexicon Valley #15, “Then Is Now, Now and Then” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 016 | 2012 | Lexicon Valley #16, “Our Dying Words” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 017 | 2012 | Lexicon Valley #17, “Ascent of the A-Word” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 018 | 2012 | Lexicon Valley #18, “The Rate of Exchange” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 019 | 2012 | Lexicon Valley #19, “Here's to You Mrs. Malaprop” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 020 | 2012 | Lexicon Valley #20, “Death to Potatoes” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 021 | 2012 | Lexicon Valley #21, “Undocumented Illegals” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 022 | 2012 | Lexicon Valley #22, “Talking Leaves and Lightning Paper” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 023 | 2012 | Lexicon Valley #23, “Good Is Up” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 024 | 2013 | Lexicon Valley #24, “Get Your Creak On” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 025 | 2013 | Lexicon Valley #25, “The Fawth Flaw” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 026 | 2013 | Lexicon Valley #26, “The Fawth Flaw, Part II” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 027 | 2013 | Lexicon Valley #27, “Accentuate the Positive” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 028 | 2013 | Lexicon Valley #28, “A Brief History of Swearing” | Bob Garfield, Mike Vuolo & Melissa Mohr | Broadcast + Interview | | 1 |
| 029 | 2013 | Lexicon Valley #29, “30 Million By Four” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 030 | 2013 | Lexicon Valley #30, “Eject at High Altitude” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 031 | 2013 | Lexicon Valley #31, “Name That Tone” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 032 | 2013 | Lexicon Valley #32, “The Burden of Being Right” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 033 | 2013 | Lexicon Valley #33, “The End of Ambiguity” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 034 | 2013 | Lexicon Valley #34, “Ask Not Who Wrote 'Ask Not'” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 035 | 2013 | Lexicon Valley #35, “Learning to Say No” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 036 | 2014 | Lexicon Valley #36, “The Dude Abides” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 037 | 2014 | Lexicon Valley #37, “Legislating Language” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 038 | 2014 | Lexicon Valley #38, “Fisherman's Whorf” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 039 | 2014 | Lexicon Valley #39, “LinguaFile I | Discombobulate” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 040 | 2014 | Lexicon Valley #40, “The Manic Pixie and the Magical Negro” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 041 | 2014 | Lexicon Valley #41, “LinguaFile II | Lagniappe” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 042 | 2014 | Lexicon Valley #42, “Demonstratively Speaking” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 043 | 2014 | Lexicon Valley #43, “LinguaFile III | Orange” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 044 | 2014 | Lexicon Valley #44, “Man on the Street” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 045 | 2014 | Lexicon Valley #45, “LinguaFile IV | Snark” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 046 | 2014 | Lexicon Valley #46, “Number Theory” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 047 | 2014 | Lexicon Valley #47, “LinguaFile V | Get One's Goat” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 048 | 2014 | Lexicon Valley #48, “What Does It Mean to Sound Gay?” | Bob Garfield, Mike Vuolo & Ben Munson | Broadcast + Interview | | 1 |
| 049 | 2014 | Lexicon Valley #49, “LinguaFile VI | Grog” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 050 | 2014 | Lexicon Valley #50, “Exposure to Vape Culture” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 051 | 2015 | Lexicon Valley #51, “LinguaFile VII | Cockamamie” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 052 | 2015 | Lexicon Valley #52, “The Many Lives of Anna Karenina” | Bob Garfield, Mike Vuolo & Masha Gessen | Broadcast + Interview | | 1 |
| 053 | 2015 | Lexicon Valley #53, “LinguaFile VIII | Quiz” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 054 | 2015 | Lexicon Valley #54, “Sex Workers” | Bob Garfield, Mike Vuolo & Anne Curzan | Broadcast + Interview | | 1 |
| 055 | 2015 | Lexicon Valley #55, “LinguaFile IX | Carnival” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 056 | 2015 | Lexicon Valley #56, “And Infinitum” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 057 | 2015 | Lexicon Valley #57, “LinguaFile X | Pumpernickel” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 058 | 2015 | Lexicon Valley #58, “Double, Double, Toil and Trouble” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 059 | 2015 | Lexicon Valley #59, “LinguaFile XI | Seersucker” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 060 | 2015 | Lexicon Valley #60, “M'athchomaroon, Zhey Lajak Vezhven!” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 061 | 2015 | Lexicon Valley #61, “LinguaFile XII | Kibitz” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 062 | 2015 | Lexicon Valley #62, “The Pollyanna Hypothesis” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 063 | 2015 | Lexicon Valley #63, “LinguaFile XIII | Bozo” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 064 | 2015 | Lexicon Valley #64, “What's the Deal with Translating Seinfeld?” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 065 | 2015 | Lexicon Valley #65, “LinguaFile XIV | Heebie Jeebies” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 066 | 2015 | Lexicon Valley #66, “What Do You Mean What Is It Like?” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 067 | 2015 | Lexicon Valley #67, “LinguaFile XV | Gringo” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 068 | 2015 | Lexicon Valley #68, “How New York Became the Big Apple” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 069 | 2015 | Lexicon Valley #69, “LinguaFile XVI | Boondoggle” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 070 | 2015 | Lexicon Valley #70, “Seven Centuries of F--ks” | Bob Garfield, Mike Vuolo & Jesse Sheidlower | Broadcast + Interview | | 1 |
| 071 | 2015 | Lexicon Valley #71, “LinguaFile XVII | Humdinger” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 072 | 2015 | Lexicon Valley #72, “A Cat, a Coward and Female Genitalia” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 073 | 2015 | Lexicon Valley #73, “LinguaFile XVIII | Hootenanny” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 074 | 2015 | Lexicon Valley #74, “Snoozefest” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 075 | 2015 | Lexicon Valley #75, “LinguaFile XIX | 86'd” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 076 | 2015 | Lexicon Valley #76, “Tears of Joy, Identity and a Prism of Isms” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 077 | 2016 | Lexicon Valley #77, “LinguaFile XX | In Cahoots” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 078 | 2016 | Lexicon Valley #78, “The Fall and Rise of the Singular They” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 079 | 2016 | Lexicon Valley #79, “LinguaFile XXI | Wazzock” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 080 | 2016 | Lexicon Valley #80, “The Full, Firm, Valiant and Heavy-Hearted Trump” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 081 | 2016 | Lexicon Valley #81, “LinguaFile XXII | Grain of Salt” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 082 | 2016 | Lexicon Valley #82, “Defecation Presentation” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 083 | 2016 | Lexicon Valley #83, “LinguaFile XXIII | Red Herring” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 084 | 2016 | Lexicon Valley #84, “The Blaccent” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 085 | 2016 | Lexicon Valley #85, “LinguaFile XXIV | Roshambo” | Bob Garfield & Mike Vuolo | Broadcast + Spokenword | | 1 |
| 086 | 2016 | Lexicon Valley #86, "Your Brain on Profanity" | John McWhorter with Benjamin K. Bergen | Broadcast + Interview | | 1 |
| 087 | 2016 | Lexicon Valley #87, “Should We Make English Spelling Easier?” | John McWhorter & Anatoly Liberman | Broadcast + Interview | | 1 |
| 088 | 2016 | Lexicon Valley #88, “Rules Are Made to Be Spoken” | John McWhorter & Sali Tagliamonte | Broadcast + Interview | | 1 |
| 089 | 2016 | Lexicon Valley #89, “Finding Life in a Dead Language” | John McWhorter & Ann Patty | Broadcast + Interview | | 1 |
| 090 | 2016 | Lexicon Valley #90, “Are Emoji a Language?” | John McWhorter & Gretchen McCulloch | Broadcast + Interview | | 1 |
| 091 | 2016 | Lexicon Valley #91, “Should Shakespeare Get a Modern English Makeover?” | John McWhorter & Jack Lynch | Broadcast + Interview | | 1 |
| 092 | 2016 | Lexicon Valley #92, “Word Sex” | John McWhorter | Broadcast + Spokenword | | 1 |
| 093 | 2016 | Lexicon Valley #93, “The Invisible Language of Nursery Rhymes” | John McWhorter | Broadcast + Spokenword | | 1 |
| 094 | 2016 | Lexicon Valley #94, “What Is a Dictionary, Really?” | John McWhorter & John Simpson | Broadcast + Interview | | 1 |
| 095 | 2016 | Lexicon Valley #95, “Billy and Me Went to the Store” | John McWhorter | Broadcast + Spokenword | | 1 |
| 096 | 2023 | Lexicon Valley #96, “Why Do People in Old Movies Talk Like That?” | John McWhorter | Broadcast + Spokenword | | 1 |
| 097 | 2016 | Lexicon Valley #97, “How You Vanquished Ye, Thee and Thou” | John McWhorter | Broadcast + Spokenword | | 1 |
| 098 | 2016 | Lexicon Valley #98, “Language Lessons of Past Presidents” | John McWhorter | Broadcast + Spokenword | | 1 |
| 099 | 2016 | Lexicon Valley #99, “Black Like Us” | John McWhorter | Broadcast + Spokenword | | 1 |
| 100 | 2016 | Lexicon Valley #100, “What "The Wizard of Oz" Can Tell Us About "Arrival” | John McWhorter | Broadcast + Spokenword | | 1 |