Brothers in time, space, and on occasion, go-carting! But when this heroic duo is sent into the land of Equestria by pure mistake, not only do they have to deal with bowser, but with the changeling army itself!

But will they be able to survive the many new adaptions from their new world, and be able to push aside their many differences with the ponies of ponyville at the same time? And can they save both worlds from viciously colliding into each other before it's too late?
(Now on elongated hiatus)