<p>Super Mario Bros Z is a fan series based on Dragon Ball Z with the crossover between two iconic video game characters, Mario and Sonic. </p><p>(Spoilers) In this fan series, everything was a peaceful day in Sonic's home planet world Monbius, with Sonic and his friends, Tails, Knuckles, Amy, Shadow, Cream and Cheese resting on the soft green grass enjoying the sun, but what they didn't know is that Eggman is up to no good, he is planning to use the three stages of Sonic's counterpart, Metal Sonic. But before he gets the chance, Metal Sonic betrayed his own creater and combine all of the prototypes of Metal Sonic to become, Mecha Sonic. Destroying the Doom Egg and crashlanding on planet Monbius, Mecha Sonic went on a rampage in Monbius, destroying everything in it's way, collecting all of the Chaos Emeralds, and killing all of Sonic friends, exept Sonic and Shadow. After Sonic and Shadow witnessing the death and destruction that Mecha Sonic caused, Sonic and Shadow have only one chose, to leave planet Monbius in their pods, and travel through space to find a planet to live in and search for the Chaos Emeralds, and that's where Sonic and Shadow crashlanded in the Mushroom Kingdom and meet Mario and Luigi. Together they must recuit allies in order to stop Mecha Sonic from destroying everything in the universe </p><p>(Before you guys watch the 2016 reboot, please watch the 2006 version first) </p>