Geronimo Stilton
Season 1, Episode 9: The Mask of Rat-Jitsu
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Geronimo gets a mysterious invitation to attend an exclusive martial arts championship. Once there, Geronimo and company notice strange things happening. After each match, the winner vanishes! Could the mysterious masked Rat-Jitsu warriors be the culprits?
All Episodes - Season 1
Episode 1
Operation Shufongfong
Episode 2
It's MY Scoop!
Episode 3
Stop Acting Around
Episode 4
The Nameless Mummy
Episode 5
Barry the Moustache
Episode 6
Paws Off, Cheddarface!
Episode 7
Going Down to Chinatown
Episode 8
Hypno Tick Tock
Episode 9
The Mask of Rat-Jitsu
Episode 10
Blackrat's Treasure
Episode 11
Intrigue on the Rodent Express
Episode 12
Mouse House of the Future
Episode 13
Reported Missing
Episode 14
The Gem Gang
Episode 15
Clean Sweep
Episode 16
Mr. and Mrs. Matched
Episode 17
Top Model Thea
Episode 18
Attack of the Killer Whale
Episode 19
Cheese Connection
Episode 20
Starring Geronimo
Episode 21
Rules of the Game
Episode 22
The Gator Samaritan
Episode 23
The Bad Luck of Team Fromage
Episode 24
Castle Creeps
Episode 25
Smarty Pants
Episode 26
Tea Story