Episode 1
Arachnitor (Mutated)
Episode: “Super Samurai”
Powers:  Double Slash, Mutation Powers

Episode 2Armadevil
Episode: “Shell Game”
Powers: Impenetrable Shell

Episode 3
Switchbeast
Episode: “Trading Places” 
Powers: Switch Blast, the Ability to Switch Spirits

Episode 4, 7, 12 & 16 
Papyrox 
Episode: “Something Fishy” ,”He Ain’t Heavy Metal, He’s My Brother,” “Trust Me” & “Stroke of Fate”
Info: Created from paper by Serrator, powerful sword

Episode 5
Eyescar
Episode: “The Rescue”
Info: First Monster taken down with Shark Mode

Episode 6Crustor
Episode: “The Bullzord”
Powers:  Breathes Fire

Episode 8
 Skarf
Episode: “Kevin’s Choice”
Powers: Eats everything including Kevin’s Samuraizer!

Episode 9
Duplicator
Episode: “Runaway Spike”
Powers: Mirror Multiplication

Episode 10Granitor
Episode: “The Strange Case of the Munchies”
Powers: Uses dust to create strong feelings of thirst and hunger

Episode 11
Epoxor
Episode: “A Sticky Situation”
Powers: Spews sticky glue that is unbreakable once joined between two sources

Episode 12Malden
Episode: “Trust Me” 
Powers: Created blasters for the Moogers in order to destroy the Rangers

Episode 14
Pestillox
Episode: “A Crack In The World”
Powers: Creates tiny insects that infect the stomachs of humans

Episode 15: Halloween Special
Trickster
Episode: “Trickster Treat”
Powers: Ability to trap the Rangers in movie like dreams

Episode 17Fierra 
Episode: “Fight Fire with Fire”
Powers: Holds a powerful weapon that burns up the fire in members of the Shiba Clan

Episode 18
Gigertox
Episode: “The Great Duel”
Powers: Poisonous gas, tentacles powered from Octoroo and 3rd Form

Episode 22: Christmas Special
Gred
Episode: “Stuck on Christmas”
Powers: Red and Green X-Shot and Blasts, Able to Freeze Rangers inside Megazord after defeat