My world? This world? Nothing but failed drafts. And when he realizes that they're flawed, he moves on and tries again.
Alternate Michael's belief about the various universes.
in Nihilism
Sam: How many there? How many other worlds, or--or universes, or realities, or whatever?
God: I don't know. Kinda lost count.
God and Sam
in Moriah
An Alternate Universe is a universe with different properties and events from the main one. They are sometimes accessible by rifts opened in space and time through innate power or a powerful ritual.

It appears that all or at least most universes were created by either God or interferences in the timeline.

Known Alternate UniversesEdit

AppearancesEdit

TriviaEdit

  • Mary Winchester was trapped in Apocalypse World with Lucifer. However, Lucifer managed to escape in War of the Worlds.
  • Virgil is the first and longest character to be trapped in an alternate universe.
  • Dean has visited every single one except Yokoth and Glythur's World.
  • The French Mistake is the only known universe without magic. A Goblet of Blood still works there though and can reach someone in the Main Universe. Additionally, the magic in the Bad Place is incompatible with the Main Universe as seen in the fact that the magic that the alternate Kaia used to open a rift did not work for her in the Main Universe to return home.
  • While using Kaia's powers in an attempt to locate Mary Winchester, Jack sees windows into several different realities, one of which appears to be a paradise.
  • The Apocalypse World is the most recurring alternate universe.
  • Season 13 featured the most alternate universes and the most appearances of alternate universes. It also has several rifts open between the universes throughout the season.
  • In Wayward Sisters, a rift was open between the Bad Place and the Main Universe for a few days. As a result, monsters from that alternate universe crossed over into the Main Universe. Though several were killed, Sam suggested that more monsters may have made it through before the rift closed that aren't accounted for.
  • Despite Dean having been to multiple alternate universes, when the Winchesters use the Demon Tablet Alternate Reality Rift Opening Ritual to reach Apocalypse World, his hair is enough of a guide to not end up in one of the other universes he has been to.
  • The Alternate Kaia is the only one who has managed to open a rift between universes whose means of opening it have not yet been revealed, as Michael and Lucifer, the Winchesters, Castiel and Rowena, Diego Avila, Yokoth and the alternate Kevin Tran all opened their rifts through a powerful spell and Jack opened the rifts through his own innate power. 
  • Alternate Michael has stated in Nihilism that the alternate universes are God's failed drafts. However, this is unconfirmed and may simply be Michael's bitter belief instead of actual fact.
    • When Sam asked God about the alternate realities, God admits that he found the alternate universes to be boring but appeared to be shocked when Sam asked him if what Michael said is true, indicating although God doesn't have much liking to the alternate universes, he doesn't actually consider them failures.
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