After Sonic's latest adventure, Tom and Maddie decide to take him on vacation in Brooklyn where the blue blur befriends a plumber named Mario. While working underground to fix a water main and when Sonic goes to investigate where Eggman disappeared to, Sonic, Tails, Knuckles, Tom, Maddie, Mario and his little brother Luigi are transported down a mysterious pipe and wander into a magical new world. But when the brothers and Tom and Maddie are separated, Mario, Sonic, and their new friends embark on an epic quest to find Luigi and Maddie. With the assistance of Mushroom Kingdom resident Toad and some training from the strong-willed ruler of the Mushroom Kingdom, Princess Peach, Mario taps into his own power and Sonic learns new tricks with his powers, the origins of the Chaos Emeralds, and the truth about his past and how he ended up in Longclaw's care. Think you know the Blue Blur? Think again. (Sonic the Hedgehog and all characters related to Sonic the Hedgehog and it's movies are owned by SEGA and Paramount! NOT ME!!! Also Super Mario and all characters related to the Super Mario franchise and its movie belong to Nintendo and Illumination! The following is a non-profit fan based fanfic made for entertainment purposes only! Please go support each of the franchises official releases and their official material!)

when the super mario bros enters a strange new pipe it sends them to a new world where animals trive and live. the super mario bros soon discover a group of talented singers are given a chance to perform in big city where they can show everybody they are the best. they decide to help them acheieve their dreams and show the world how talented they are, in hopes that the moon crew will help Mario and Luigi return home. (this is based off sing 2)

Two years after the defeat of King Bowser, Mario now is a respected and loved hero of the Mushroom Kingdom. To release some stress, he takes Princess Peach on a vacation to Brooklyn so he can help her relive her dream of visiting the Human World. However, the heroes cut their vacation short after getting a disturbance in the kingdom. Now, Mario, Luigi, and company have to team up with a cool blue hedgehog, a space princess, and her son to save the universe from an evil goddess bent on summoning the Dark Star and bringing about the end of days. All of the characters belong to Nintendo and Sega except for Rohan, Discordia, Audrey, Captain Lardbutt, Aeron, and Atlas who are completely original characters! I own nothing except for the aforementioned original characters. This is a NON-PROFIT fanfic! Warning: This story is kinda mature. Some language, violence, and suggestive stuff here and there. Be careful!!!

Two worlds collide as Ladybug and Mario save the day from evil. NOTE: This takes place during Season 5 of Miraculous.