Episode,Guest character,Color square he/she is in,UK cartoon character he/she replaces
"""Knights and Daze""",Owen,Red,Bradzilla
"""Invasion""",Noah,Yellow,Eugene Keen
"""I Stink, Therefore I Am""",Eva,Purple,Squeaky Sam
"""Pirates""",Izzy,Purple,Wendell
"""Skeleton Crew in Da House""",Harold,Red,Scabz
"""Xcqankly""",Katie & Sadie,Purple,Easter Bunny
"""To the Quiz Cave""",Gwen,Yellow,Hyacinth Bosh
"""Quizoo""",Bridgette,Red,Doug
"""Hoo Loves You, Baby!""",Courtney,[MISSING],Kevin Quizzin
"""Quiziatori Gladihost""",Leshawna,Yellow then Red,Rooks
"""Superheroes""",Chef Hatchet,Red,Wasp Boy
"""Dinosaur""",Ezekiel,Red,Professor Fuddlehudd
"""Hooray for Bollywood""",Justin,Red,The I-Know-Bot