- 20th Century Fox Television
- 99 Bottles of Beer
- A.A.
- Abby Tucker
- Abe Kenarban
- Abstain
- Academic Octathalon
- Age ratings
- Albert
- Alexander Gould
- Alfonze
- Alison
- Alphabet Song
- Amazing Race
- Amelia Wilkerson
- Angela
- Angela Pozefsky
- Anita
- Anti-Drug Song
- April
- Army Buddy
- Attorney
- Aunt Felicia
- Baby Part 1
- Baby Part 2
- Barton
- Bathroom Attendant
- Bee
- BeeBee
- Bernard
- Beth
- Beth (Reese ex-girlfriend)
- Big Tony
- Billboard
- Billboard Girl
- Billboard Protest Song
- Billy Prescott
- Blackout
- Block Party
- Bob Stevens
- Bomb Shelter
- Book Club
- Boone Vincent
- Boss of Me
- Bowling
- Boy Baby
- Boyd
- Boys At Ranch
- Brenda Wehle
- Bride of Ida
- Bridgette
- Bryan Cranston
- Bully
- Burning Man
- Buseys Run Away
- Buseys Take A Hostage
- Butterflies
- Cadet Finley
- Cameron Monaghan
- Car Dealer
- Carnival
- Caroline Miller
- Casino
- Catherine Lloyd Burns
- Cattle Court
- Chad
- Chad's Sleepover
- Character appearances
- Charity
- Charles Cutler
- Charlie
- Charlie on the MTA
- Checkout Clerk
- Cheerleader
- Chester
- Chocolate Chip Cookie
- Chris Koch
- Christie
- Christmas
- Christmas Trees
- Christopher Kennedy Masterson
- Christopher Masterson
- Circus
- Claire
- Claire Wilkerson
- Clerk
- Clip Show
- Clip Show 2
- Cliques
- Cloris Leachman
- Coach Oleski
- Cody Estes
- College Recruiters
- Commandant Spangler
- Company Picnic (1)
- Company Picnic (2)
- Convention
- Cooking Teacher
- Cop
- Cr6
- Craig's Mother
- Craig Feldspar
- Crystal
- Customer
- Cynthia's Back
- Cynthia's Dad
- Cynthia Sanders
- Dabney Hooper
- Daddy
- Daisy Wilkerson
- Danielle
- Darlene Fisher
- Dave Spath
- David Anthony Higgins
- David Hanson
- Day Care
- Dewey's Dog
- Dewey's Men
- Dewey's Opera
- Dewey's Special Class
- Dewey Wilkerson
- Dewey is King
- Dick
- Dina
- Dinner Out
- Dirty Magazine
- Doctor
- Don
- Donna
- Donnie
- Doreen Hooper
- Dorene Hooper
- Dr. Lucille Armstrong
- Dream Girl
- Dumbo
- Ed
- Egg
- Emancipation
- Emily
- Eraserhead
- Eric Hanson
- Erik Per Sullivan
- Evacuation
- Evelyn
- Experiment
- FX
- Families
- Family Reunion
- Flashback
- Flora Mayesh
- Forbidden Girlfriend
- Forwards Backwards
- Fox Network
- Fox Television Studios
- Francis Escapes
- Francis Wilkerson
- Francis Wilkerson (If Boys Were Girls)
- Frankie Muniz
- Funeral
- Future Malcolm
- Garage Sale
- Gas Station Owner
- Gerry
- Gina
- Girl Baby
- Goodbye Kitty
- Gordo
- Graduation
- Grandma Sues/Lois Is Pregnant
- Gretchen Mannkusser
- Hal's Birthday
- Hal's Christmas Gift
- Hal's Dentist
- Hal's Friend
- Hal's Poker Buddies
- Hal's Teaching Song
- Hal Coaches
- Hal Grieves
- Hal Quits
- Hal Sleepwalks
- Hal Wilkerson
- Halloween
- Halloween Approximately
- Hannah
- Happy Birthday
- Happy Dance
- Hayden Panettiere
- Health Insurance
- Health Scare
- Helen Kenzel
- Helen Wilkerson
- Helmut
- Herbie Doll
- High School Play
- Home Alone 4
- Hot Tub
- Houseboat
- Humilithon
- I
- I want to know about Francis
- Ida's Boyfriend
- Ida's Dance
- Ida Loses a Leg
- Ida Welker
- If Boys Were Girls
- Ira (bully)
- It's Your Thing
- Ivan
- Ivan Pozefsky
- Jamie Wilkerson
- Jane Kaczmarek
- Jennette McCurdy
- Jennifer Celotta
- Jerome
- Jerry
- Jessica
- Jessica (Traffic Jam)
- Jessica Stays Over
- Jim
- Joanne
- Jody
- Joe
- Joe (Health Insurance)
- Josh
- Julie Houberman
- Julie Houlerman
- Jury Duty
- Justin
- Justin Berfield
- Karen
- Kathy McCulsky
- Ken Finley
- Keneally
- Kevin
- Kevin (Shame)
- Kicked Out
- Kirsten
- Kitty's Back
- Kitty Kenarban
- Krelboyne Girl
- Krelboyne Picnic
- Kristin Peterson
- Larry
- Lavernia
- Lawrence
- Linwood Boomer
- Lionel Herkabe
- List of Broadcasting Channels
- List of Cold Opens
- List of Episodes
- List of Hal Gets Arrested in Episodes
- List of Punishments
- List of minor characters
- List of unseen characters
- Living Will
- Lloyd (Chad's Father)
- Lloyd Jensen
- Loan Shark
- Locations
- Lois' Birthday
- Lois' Makeover
- Lois' Sister
- Lois Battles Jamie
- Lois Strikes Back
- Lois VS Evil
- Lois Wilkerson
- Lois Wilkerson/Gallery
- Long Drive
- Lucky
- Lucky Aide
- Malcolm's Car
- Malcolm's Girlfriend
- Malcolm's Job
- Malcolm's Money
- Malcolm Babysits
- Malcolm Dates a Family
- Malcolm Defends Reese
- Malcolm Films Reese
- Malcolm Holds His Tongue
- Malcolm In The Middle
- Malcolm Visits College
- Malcolm Wilkerson
- Malcolm in the Middle
- Malcolm in the Middle Book Series
- Malcolm in the Middle Wiki
- Malcolm vs. Reese
- MalcolmintheMiddle Opening Credits
- Mallory Wilkerson
- Marlin Academy
- Marlin Academy Cadets
- Marshmellow
- Matthew Carlson
- Max Pozefsky
- Meagan Fay
- Meow Mix
- Mike
- Mike (Jessica Stays Over)
- Milt
- Mimi Paley
- Mini-Bike
- Monkey
- Mono
- Morp
- Motivational Speaker
- Mr. Edelman
- Mr. Flerch
- Mr. Hortonberry
- Mr. Myers
- Mr. Pinter
- Mr. Sheridan
- Mr. Tananahaakna
- Mr. Young
- Mrs. Conlin
- Mrs. Griffin
- Mrs. Mekeetjuk
- Mrs. Pozefsky
- Mrs. Tri-County
- Mrs. White
- NBC
- Nate
- Native American Man
- New Neighbors
- Nice is Good, Mean is Bad
- Nick Marck
- Nicki
- Nicki/Quotes
- Nikki
- No Motorcycles
- Old Mrs. Old
- Oliver
- Opening Sequences
- Other Girl Baby
- Otis
- Otto Mannkusser
- Patton
- Patty Henderson
- Patty Lynn
- Pawn Shop Owner
- Pearl Harbor
- Penelope
- Pete Wilkerson
- Phillip
- Piama Wilkerson
- Pilot
- Pilot/Gallery