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|actor= [[Matthew Cohen]] ([[5.13 The Song Remains the Same|5.13]])<br>[[Jake Abel]] ([[5.22 Swan Song|5.22]])
|episodes= [[5.13 The Song Remains the Same]]<br>[[5.22 Swan Song]]
When God decides to end the world in retaliation for the Winchester's defiance,<ref name="fourteen20">[[14.20 Moriah]]</ref> he throws open every door in [[Hell]], including the door to [[Lucifer's Cage]], giving Michael the chance to escape. According to the [[demon]] [[Belphegor]] however, Michael is still just sitting there in Lucifer's Cage even though the door is open. However, Belphegor suggests that if he gets out, Michael will want revenge for being trapped in the first place.<ref name="fifteen01">[[15.01 Back and to the Future]]</ref>
[[Belphegor]] tells Dean that every door in Hell sprang open all at once when [[God]] started the end of the world. Dean realizes that this means [[Lucifer's Cage]] as well and asks about Michael. Belphegor tells Dean that the last he heard, Michael was still just sitting in the Cage, but suggests that if Michael got out he might hold a grudge against the Winchesters.
* Michael is the only [[angel]] to not appear in a [[vessel]] specifically introduced as the angel. All other angels shown have appeared in vessels that were introduced specifically as the angel rather than the vessel; [[Castiel]]'s vessel [[Jimmy Novak]] is the only vessel to be specifically named, and while [[Nick]] and [[Donnie Finnerman]] initially appeared as themselves, they were immediately selected as [[Lucifer]] and [[Raphael]]'s vessels. By contrast, Michael has only been shown when using [[John Winchester]] and [[Adam Milligan]] as vessels, both of whom had appeared before Michael was even introduced as a character.