Turn of the Millennium/Western Animation


 * The Millennium Age of Animation begun.


 * Twelve Ounce Mouse
 * Sixteen
 * The Adventures of Jimmy Neutron Boy Genius
 * Alienators Evolution Continues
 * All Grown Up
 * Alpha Teens On Machines
 * The Amazing Spiez
 * American Dad
 * American Dragon Jake Long
 * Angelina Ballerina
 * Animal Mechanicals
 * Animalia
 * Aqua Teen Hunger Force
 * Archer
 * As Told By Ginger. Had most of its run in this decade.
 * Atomic Betty
 * Avatar: The Last Airbender
 * Baby Looney Tunes
 * Back At the Barnyard
 * The Backyardigans
 * The Batman
 * Batman Beyond (although it began in 1999)
 * Batman Beyond Return of the Joker
 * Batman Mystery of the Batwoman
 * Batman the Brave And The Bold
 * Ben 10
 * Ben 10 Alien Force
 * Ben 10 Ultimate Alien
 * Ben 10 Omniverse
 * Biker Mice From Mars (the 2006 Revival)
 * Da Boom Crew
 * The Boondocks
 * Bounty Hamster
 * Braceface
 * Bradys Beasts
 * The Brak Show
 * Brandy and Mr. Whiskers
 * Bratz. Based on the toyline.
 * The Bremen Avenue Experience
 * Bromwell High
 * Bro Town
 * Butt Ugly Martians
 * Buzz Lightyear of Star Command
 * The Buzz On Maggie
 * Camp Lazlo
 * Captain Flamingo
 * Carl Squared
 * Casper Scare School
 * Catscratch
 * Chalk Zone
 * Chaotic
 * Charlie and Lola. Adaptation of the book series.
 * Chop Socky Chooks
 * Chowder
 * Chuggington
 * Class of 3000
 * Class of the Titans
 * Clerks
 * The Cleveland Show
 * Clone High
 * Coconut Freds Fruit Salad Island
 * Code Lyoko
 * Code Monkeys. Set in The Eighties.
 * Codename Kids Next Door
 * Combo Ninos
 * The Cramp Twins.
 * Curious George. Adaptation of the book series.
 * Cyberchase
 * Danny Phantom
 * The Dating Guy
 * Dave the Barbarian
 * Delgo
 * Delilah and Julius
 * Di Gata Defenders
 * Dino Squad
 * Dinosaur Train
 * Doodlez
 * Dora the Explorer
 * Dragon Booster
 * Drawn Together
 * The Drinky Crow Show
 * Duck Dodgers
 * Eckhart
 * Edgar and Ellen. Animated adaptation of the literary series.
 * El Tigre
 * The Emperors New School
 * Evil Con Carne
 * The Fairly Odd Parents: Started as a series of cartoon shorts in 1998, but became a regular series in 2001 and it really came into its own in 2001-2003, of course Your Mileage May Vary concerning later episodes.
 * Family Guy (started in 1999, cancelled in 2002, Un Cancelled in 2005)
 * Fanboy and Chum Chum
 * Fantastic Four Worlds Greatest Heroes
 * Fatherhood
 * Father of the Pride
 * Fifi and The Flowertots
 * Fillmore
 * Flushed Away
 * Foot 2 Rue
 * Fosters Home for Imaginary Friends
 * Frannys Feet
 * Freak Show
 * Freds Head
 * Frisky Dingo
 * Futurama (debuted in 1999, but gained most of its following during its 2003-2007 hiatus)
 * The Future Is Wild
 * Gadget and The Gadgetinis
 * The Garfield Show
 * Gary the Rat
 * George of the Jungle. Second series.
 * Geronimo Stilton (the books' Animated Adaptation debuted in 2009)
 * Get Ed
 * G.I. Joe
 * G.I. Joe Sigma 6
 * G.I. Joe Resolute
 * Glenn Martin DDS
 * Go Diego Go
 * God the Devil And Bob
 * Gormiti the Lords of Nature Return
 * The Grim Adventures of Billy and Mandy
 * Grossology
 * Growing Up Creepie
 * Handy Manny
 * Harvey Birdman Attorney At Law
 * Hot Wheels Battle Force 5
 * House of Mouse
 * Iggy Arbuckle
 * Invader Zim
 * Iron Man Armored Adventures
 * Jackie Chan Adventures
 * Jacob Two Two
 * Jakers the Adventures of Piggley Winks
 * Jimmy Two Shoes
 * Johnny Test
 * Jungle Junction
 * Justice League
 * Kappa Mikey
 * Kenny the Shark
 * Kid VS Kat
 * Kim Possible
 * King Arthurs Disasters
 * Kong the Animated Series
 * Korgoth of Barbaria
 * Krypto the Superdog
 * League of Super Evil
 * The Legend of Tarzan
 * Legion of Super Heroes
 * The Life and Times of Juniper Lee
 * Lilo and Stitch The Series
 * Little Einsteins
 * Lloyd in Space
 * Lola and Virginia
 * Loonatics Unleashed
 * Magi Nation
 * Making Fiends
 * Mama Mirabelles Home Movies
 * Martha Speaks
 * Martin Mystery
 * The Marvelous Misadventures of Flapjack
 * Max and Ruby
 * Max Steel
 * Maya and Miguel
 * Megas XLR
 * Metalocalypse
 * Mickey Mouse Clubhouse
 * The Mighty B
 * Miss Spiders Sunny Patch Friends
 * Mr. Meaty
 * The Mr. Men Show
 * Monkey Dust
 * Monster Allergy. Adaptation of the comic book series.
 * Monster Buster Club
 * Moral Orel
 * Mucha Lucha
 * My Dad the Rock Star
 * My Gym Partners a Monkey
 * My Life As a Teenage Robot
 * My Little Pony
 * My Little Pony G 3
 * Ni Hao Kai Lan
 * Oban Star Racers
 * The Oblongs
 * O Grady
 * Olivia
 * Ozzy and Drix
 * Peep and The Big Wide World
 * Pelswick
 * The Penguins of Madagascar
 * Peppa Pig
 * Perfect Hair Forever
 * Pet Alien
 * Phineas and Ferb
 * Pocoyo
 * Potatoes and Dragons
 * The Proud Family
 * The Replacements
 * Rick and Steve
 * Ricky Sprocket Showbiz Boy
 * The Ripping Friends
 * Roary the Racing Car
 * Robotboy
 * Robot Chicken
 * Rotting Hills
 * Ruby Gloom
 * Sagwa the Chinese Siamese Cat
 * Samurai Jack
 * Scooby Doo
 * What's New Scooby Doo
 * Shaggy and Scooby Doo Get A Clue
 * Sealab 2021
 * Sea Princesses
 * The Secret Saturdays
 * The Secret Show
 * Shaolin Wuzang
 * Shaun the Sheep
 * Sheep in The Big City
 * Shuriken School
 * Sid the Science Kid
 * Silverwing: Adaptation of the novels.
 * Simplemente Rita
 * Sit Down Shut Up
 * Sitting Ducks
 * Skunk Fu
 * Skyland 
 * Slacker Cats
 * Sons of Butcher
 * Special Agent Oso
 * The Spectacular Spider Man
 * Speed Racer the Next Generation
 * Spider Man the New Animated Series
 * Spliced
 * Squidbillies
 * Squirrel Boy
 * Stanley
 * Stargate Infinity
 * Star Wars Expanded Universe
 * Star Wars Clone Wars (2003)
 * Star Wars the Clone Wars (2008)
 * Static Shock
 * Stoked
 * Storm Hawks
 * Strawberry Shortcake. First television series.
 * Stripperella
 * Super Why
 * The Superhero Squad Show
 * Tak and The Power of Juju
 * Team Galaxy
 * Teamo Supremo
 * Teen Titans
 * Teenage Mutant Ninja Turtles
 * Teenage Mutant Ninja Turtles 2003
 * Three Delivery
 * Time Squad
 * Time Warp Trio
 * Timmy Time
 * Titan Maximum
 * Total Drama Island
 * Totally Spies
 * Transformers
 * Transformers Go Bots
 * Transformers Animated
 * Tripping the Rift
 * Trollz
 * Tupu
 * Tutenstein
 * Ultimate Book of Spells
 * The Venture Brothers
 * Viva Pinata
 * Wakfu
 * Watch My Chops
 * Wayside
 * The Weekenders
 * Whatever Happened to Robot Jones
 * Will and Dewitt
 * Winx Club
 * WITCH
 * Wolverine and The X-Men
 * Word Girl
 * Word World
 * World of Quest
 * Wow Wow Wubbzy
 * The Xs
 * Xiaolin Showdown
 * X-Men Evolution
 * Yakkity Yak
 * Yin Yang Yo
 * The Zeta Project