Dolores O'Riordan

Season One

 * "The Battle Begins" (first appearance)
 * "The Talented to Link"
 * "Quest of the Luigi" (picture cameo)
 * "Dillon Strikes"
 * "The Secrets of Skyloft"
 * "Double Trouble Kings"
 * "Altitude Quickness"
 * "Burning Crusade"
 * "World of Warcraft"
 * "The Return of Wario-Man"
 * "The Lightning Theif"
 * "The Mark of Athena"
 * "Clash of Clans"
 * "Level Up"

Season Two

 * "Great Fox Defense"
 * "Night Maid"
 * "Players Bench"
 * "Divide and Conquer"
 * "Jackpot Opportunity" (picture cameo)
 * "The Academy"
 * "Mirror Magic"
 * "Girls' Night Out"
 * "Duel Infinity: Part 1"
 * "Duel Infinity: Part 2"
 * "Shadow Mario Paint"
 * "Galaxia Darkness"
 * "The King Strikes Back"
 * "Legions of Falco"

Season Three

 * "C is for Coliseum"
 * "G is for Guardian"
 * "K is for Kingdom"
 * "L is for Legends"
 * "Q is for Quest"
 * "R is for Revolution"
 * "V is for Victory"
 * "Z is for Zero"

Season Four

 * "Worlds Apart"
 * "All the News"
 * "Royal Pain"
 * "Bonding" (cameo)
 * "Aura Mastery"
 * "Step by Step"
 * "Game On"
 * "Being Human"
 * "That Elusive 9" (flashback)
 * "Fool's Gold"
 * "Double Cross My Heart"
 * "League of Legends"

Season Five

 * "Furious Jealousy"
 * "Call of Duty"
 * "The Mindy Project" (flashback)
 * "And They Mario Will Be"
 * "All That Glitters"
 * "Cool It"
 * "Exchange"
 * "Community" (cameo)
 * "Shapeshifter"
 * "Game Over"

Season Six

 * "Earth to Dan"
 * "Framed"
 * "Going Under"
 * "Empire"
 * "The Chamber of Secrets"
 * "Landmaster of Knowledge"
 * "An Skyloft Mess" (flashback)
 * "A Powers Other Name: Part 1"
 * "A Powers Other Name: Part 2"
 * "The Ultimate Duel"

Season Seven

 * "Castle of Link"
 * "The Underwater Mines"
 * "The Visitor to Flat Zone"
 * "Sonic Boom"
 * "Advent of the Evil King"
 * "Three-Beast Carnage"
 * "Blades of the Quick and Mighty"
 * "The Hammer of the King"
 * "Dark Link Duel"
 * "Face-Off"
 * "Super Bowser Bros."
 * "Shadow of Andross"

Season Eight

 * "Family Ties"
 * "Full Speed Ahead"
 * "Unwavering Chivalry"
 * "Yellow Devils" (flashback)
 * "The Destroyer Cometh"
 * "Robotic Rampage"
 * "Doctor Schmoctor" (cameo)
 * "Solidarity"
 * "Oh Yeah, Luigi Time!"
 * "Power Suit On!"
 * "A Lurking Menace"
 * "Bird in Darkest Night"
 * "Wrecking Bros."

Season Nine

 * "An Easy Win"
 * "Words of Truth"
 * "Two Powers Become One"
 * "Remote Control"
 * "Unlike Son"
 * "Big Time" (cameo)
 * "The Great Remodeling Battle"
 * "No Girls Alone"
 * "Challenger of the Shadows: Part 1"
 * "Challenger of the Shadows: Part 2"
 * "Goddess of Light" (flashback)
 * "By Book, Blade, and Crest of Flame"
 * "Cleaning House in Skyworld"
 * "The Battle of Mario"
 * "The Unseen Guide"

Season Ten

 * "Supernatural Tuesday"
 * "Like Father"
 * "Elementary"
 * "The Yoga of the Difinition"
 * "Oh No! Wario!"
 * "Walk This Way"
 * "Of the Marth"
 * "The Human Factor"
 * "Spells of Ashley"
 * "A New Hero Next Door"
 * "Felix's Challenge"
 * "Underground"
 * "Duel Hard"
 * "Son of the Battlefield"

Movies

 * "The Super Smash Bros. Movie"