- 1970s
- 1980s
- 1990s
- 2000s
- 2003
- 2009
- 2010s
- 2016
- 61st Primetime Emmy Awards
- 62nd Primetime Emmy Awards
- 63rd Primetime Emmy Awards
- 73
- AA
- ALF
- A Baby Tooth and the Egyptian God of Knowledge
- A Beautiful Mind
- A Boyfriend's Ex-Wife and a Good Luck Head Rub
- A Brisket, Voodoo, and Cannonball Run
- A Broken Heart and a Crock Monster
- A Broom Closet and Satan's Monopoly Board
- A Computer, a Plastic Pony, and a Case of Beer
- A Couple Bruised Ribs and a Cereal Box Ghost Detector
- A Crisis of Faith and Octopus Aliens
- A Dog, a Squirrel, and a Fish Named Fish
- A Financial Secret and Fish Sauce
- A High-Pitched Buzz and Training Wheels
- A House for Sale and Serious Woman Stuff
- A Live Chicken, a Fried Chicken and Holy Matrimony
- A Loaf of Bread and a Grand Old Flag
- A Math Emergency and Perky Palms
- A Mother, a Child, and a Blue Man's Backside
- A Nuclear Reactor and a Boy Called Lovely
- A Parasol and a Hell of an Arm
- A Party Invitation, Football Grapes and an Earth Chicken
- A Patch, a Modem, and a Zantac
- A Perfect Score and a Bunsen Burner Marshmallow
- A Pineapple and the Bosom of Male Friendship
- A Political Campaign and a Candy Land Cheater
- A Proposal and a Popsicle Stick Cross
- A Race of Superhumans and a Letter to Alf
- A Research Study and Czechoslovakian Wedding Pastries
- A Rival Prodigy and Sir Isaac Neutron
- A Secret Letter and a Lowly Disc of Processed Meat
- A Slump, a Cross and Roadside Gravel
- A Sneeze, Detention, and Sissy Spacek
- A Solar Calculator, a Game Ball, and a Cheerleader's Bosom
- A Stunted Childhood and a Can of Fancy Mixed Nuts
- A Swedish Science Thing and the Equation for Toast
- A Therapist, a Comic Book and a Breakfast Sausage
- A Tummy Ache and a Whale of a Metaphor
- Aarti Mann
- Abby
- Adam Faberman
- Adam Nimoy
- Adam West
- Adoot Koothrappali
- Aerospace engineering
- Age of Conan
- Ajgie Kirkland
- Albert Einstein
- Albert Einstein and the Story of Another Mary
- Alessandra Torresani
- Alex Ayers
- Alex Jensen
- Alex Yonks
- Alexander Graham Bell
- Alfred Hofstadter
- Alice
- Alice Amter
- Alicia
- Aliens
- All I Do Is Win
- Ally Maki
- Alphas
- Althea Davis
- Amanda Walsh
- Amy's Apartment
- Amy's Grandmother
- Amy's Uncle
- Amy's Unnamed Male Cousin
- Amy Farrah Fowler
- Amy Farrah Fowler/Gallery
- Amy Farrah Fowler/Gallery - Female Friends
- Amy Farrah Fowler/Gallery - Groups
- Amy Farrah Fowler/Gallery - Herself
- Amy Farrah Fowler/Gallery - Leonard
- Amy Farrah Fowler/Gallery - Male Friends
- Amy Farrah Fowler/Gallery - Penny
- Amy Farrah Fowler/Gallery - Penny's Posse
- Amy Farrah Fowler/Gallery - Sheldon
- An 8-Bit Princess and a Flat Tire Genius
- An Academic Crime and a More Romantic Taco Bell
- An Eagle Feather, a String Bean, and an Eskimo
- An Entrepreneurialist and a Swat on the Bottom
- Analeigh Tipton
- Andrew Roth
- Andy Gordon
- Angela (Season 4)
- Angela Page
- Annie Potts
- Anthony Del Broccolo
- Anthony Rich
- Anu
- Anu/Gallery
- Anything Can Happen Thursday
- Apartment 3A
- Apartment 4A
- Apartment 4A/Gallery
- Apartment 4B
- Apartment 5A
- April Bowlby
- Aquaman
- Astronomy
- Atmosphere
- Aunt Barbara
- Aunt Helen
- Aunt Ruth
- Austin Lee
- Automated Cell Phone Voice
- Babylon 5
- Barb
- Barbara Chen
- Barenaked Ladies
- Barry Kripke
- Barry Swanson
- Batman
- Battlestar Galactica
- Bazinga
- Becky O'Donohue
- Behind the Scenes Photos
- Bernadette's Grandmother
- Bernadette's Nephews/Nieces
- Bernadette's Wardrobe
- Bernadette's only five guest appearances
- Bernadette's unnamed siblings
- Bernadette Rostenkowski-Wolowitz
- Bernadette Rostenkowski-Wolowitz/Gallery
- Bernadette Rostenkowski-Wolowitz/Gallery - Female Friends
- Bernadette Rostenkowski-Wolowitz/Gallery - Groups
- Bernadette Rostenkowski-Wolowitz/Gallery - Herself
- Bernadette Rostenkowski-Wolowitz/Gallery - Howard
- Bernadette Rostenkowski-Wolowitz/Gallery - Male Friends
- Bernadette Rostenkowski-Wolowitz/Gallery - Penny's Posse
- Bert Kibbler
- Bethany
- Betty
- Beverly Hofstadter
- Big Bang
- Bill Gates
- Bill Nye
- Bill Prady
- Billy Sparks
- Blaine
- Bloom
- Bob Newhart
- Bobbi Sparks
- Body Glitter and a Mall Safety Kit
- Born-Oppenheimer Approximation
- Breakfast cereals
- Brenda Sparks
- Brent Spiner
- Brian George
- Brian Greene
- Brian Patrick Wade
- Brian Posehn
- Brian Smith
- Brian Thomas Smith
- Briana Cuoco
- Brooke D'Orsay
- Bullies
- Business Clerks
- Buzz Aldrin
- CBS
- CTV
- California
- California Institute of Technology
- Cape Canaveral, Schrödinger's Cat, and Cyndi Lauper's Hair
- Capitol Comics Store
- Captain James T. Kirk
- Captain Sweatpants
- Captain Sweatpants' Son
- Carbon Dating and a Stuffed Raccoon
- Carl
- Carol Ann Susi
- Carrie Fisher
- Casey Sander
- Cast & Crew
- Catherine Millstone
- Character appearances
- Charlie Sheen
- Chen
- Cheryl
- Chinese Leonard
- Chinese Sheldon
- Chris Krauser
- Christine Baranski
- Christopher Lloyd
- Christy Vanderbel
- Chuck Lorre
- Chuck Lorre Productions
- Cinnamon
- Claire
- Claire's Boyfriend
- Clint
- Coke
- Cole
- Colonel Richard Williams
- Comic-Con 2010
- Comic-Con 2011
- Comic-Con 2012
- Comic Book Night
- Comic Books
- Commencement Address
- Complementarity
- Contracts, Rules and a Little Bit of Pig Brains
- Contradictions
- Cooper
- Cooper-Wheaton War
- Cooper Dog
- Cooper House
- Copenhagen
- Cosmetics Counter Customer
- Cosmic Rays
- Counter Factuals
- Courtney Ford
- Courtney Henggeler
- Crizon
- Cup O'Noodles
- Cynthia
- Cynthia (season 12)
- DC Comics
- Dale
- Dale Ballard
- Daley Haggar
- Dan
- Dan's grandson
- Danica McKellar
- Danny Jacobs
- Dark matter
- Dave Gibbs's Ex-wife
- Dave Goetsch
- David
- David, Goliath, and a Yoo-hoo From the Back
- David Gibbs
- David Litt
- David Saltzberg
- David Underhill
- Deaf Emily's Boyfriend
- Dean Norris
- Debbie Wolowitz
- Delivery Persons
- Demons, Sunday School, and Prime Numbers
- Denise
- Denise/Gallery
- Dennis Kim
- Derek
- Dilip
- Dimitri
- Dimitri Rezinov
- Disneyland
- Divorce
- Dixie Trek Convention
- Doctor Gustafson
- Doctor Morelli
- Doctor Who
- Dolomite, Apple Slices, and a Mystery Woman
- Donnie
- Donnie's Mother
- Doritos
- Doug
- Dr. Beverly Hofstadter's Books
- Dr. Boots Hofstadter
- Dr. Campbell
- Dr. Gallo
- Dr. Lee
- Dr. Pemberton
- Dr. Randall
- Dr. Seuss Poem
- Dr. Tire Store
- Dungeons and Dragons
- E4
- Easy-Bake Oven
- Eddie Gorodetsky
- Eddie Krispo
- Edna
- Edward
- Elena Campbell-Martinez
- Elizabeth Bogush
- Elizabeth Plimpton
- Ellen DeGeneres
- Elliot
- Elon Musk
- Elton John
- Emily (season 5)
- Emily Sweeney
- Emily or Cinnamon
- Emma
- Emo
- Episode 3.22 (Young Sheldon)
- Eric (disambiguation)
- Eric (season 2)
- Eric (season 7)
- Eric Gablehauser
- Eric Kaplan
- Erica Swanson
- Erin Allin O'Reilly
- Erin Pickett
- Erno Rubik
- Evelyn Ingram
- Evolution
- Expedition 31
- Experimental physics
- Family Dynamics and a Red Fiero
- Family Guy
- Farsi
- Finnish
- Firefly
- Flora
- Floyd
- Footprints on the Moon
- Fort Cozy McBlanket
- Fowler
- Frances H. Arnold
- Frank and Alicia
- Free electron laser
- French
- Froot Loops
- Fuddruckers
- Game of Thrones
- Games
- Gary
- Gay Linvill
- Gene Lundy
- George Cooper Jr.
- George Cooper Jr.'s Girlfriend
- George Cooper Sr.
- George Cooper Sr.'s Brother-in-law (Sister's Husband)
- George Cooper Sr.'s Sister
- George Smoot
- George Takei
- German
- Ghostbusters
- Gilda
- Gino The Neutrino's Puppeteer
- Gino the Neutrino
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