Mario vs. Sonic (fan-fiction)

thumb|300px|The poster.
Mario vs. Sonic is a story where Mario and Luigi fight Sonic the Hedgehog. It is written by UML Inc..
==Episodes==
Pick an episode to read the story of the episode!
*Episode 1
*Episode 2
*Episode 3
*Episode 4
*Episode 5
Category:Fan Fiction
Category:Fan Fiction Series
Category:Fan Fictions by Ultramariologan
Category:Ultramariologan
Category:Crossovers
Category:UML Inc.
Category:Mario (series)
Category:Sonic (series)
Category:Crossover Fan Fiction