Rick and Morty accidentally ruin civilization with a plague and have to shift to an alternate timeline where they fastened every little thing, but died soon later on. Within the magical kingdom, not every thing is so magical for occasion, an army of slaves is made use of to shift trains. In The Stinger of "A Rickle in Time", the testicle-headed 4th dimension aliens discover Albert Einstein and beat him up, telling him not to mess with time.