Arthur Spudinski

Season One
"Old School Training"

"Dragon Breath"

"The Talented Mr. Long"

"The Legend of Dragon Tooth"

"Act 4, Scene 15"

"Professor Rotwood's Thesis"

"The Egg"

"The Heist"

"Body Guard Duty"

"Shapeshifter"

"The Ski Trip"

"The Long Weekend"

"Jake Takes the Cake" (cameo)

"Hong Kong Nights"

"Halloween Bash"

"Flight of the Unicorn"

"Keeping Shop"

"Ring Around the Dragon"

"The Hunted"

Season Two
"Bring It On"

"Half Baked"

"The Academy"

"The Doppelganger Gang"

"Something Fishy This Way Comes"

"Breakout"

"Family Business"

"Dreamscape"

"A Befuddled Mind"

"Fool's Gold"

"Feeding Frenzy" (cameo)

"Haley Gone Wild"

"Supernatural Tuesday"

"The Rotwood Files"

"Hairy Christmas"

"Switcheroo"

"The Love Cruise"

"Homecoming"

"Young at Heart"

"Siren Says"

"Shaggy Frog"

"Nobody's Fu"

"Magic Enemy "

"A Ghost Story"

"Bite Father, Bite Son"

"Game On"

"Furious Jealousy"

"Being Human"

"The Hong Kong Longs" (final appearance)