The third season of the anime [[Yu-Gi-Oh! GX]] features multiple dimensions and the main villain plots to bring all of them together and rule them all.
The animemanga Dragon Ball (specificallyseries [[Dragon Ball Z)]] involves a storyline about a time-traveler travelwho attempts to "save theEarth's future". from killer androids. However, time travel doesn't allow one to alter future events but rather creates a "branch" universe where the changes occur, while the original time line stillis existsleft intact. The Inone other words the person (Trunks) goingtraveling back in time is not trying tocannot save histheir own future, but simplycan wantscreate toan allowalternate atreality leastin onewhich realitythe todanger bedoes not savedexist.
[[Where In Time Is Carmen Sandiego]] featured a segment with a parallel universe in season 2.
