Supernatural will bring Jake Abel back for Season 15 -- again.

On the heels of his appearance in the midseason finale, Abel will return for the last handful of Supernatural episodes. TVInsider revealed he will play Michael, who has taken on the form of Sam and Dean's long-lost brother Adam.

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Adam, Sam and Dean's half-brother, was born to Kate Milligan, a nurse who ran into John Winchester after a hunt left him injured. In Season 4, a ghoul disguised as Adam reached out to John in an effort to trap and kill him. Since John had died, Sam and Dean answered the call. Neither Adam nor Sam and Dean were aware the other existed. By the time the Winchesters realized who Adam was, it was too late; he had already been killed by the ghoul.

In Season 5, Adam was returned to life to play a pinnacle role. The angels convinced Adam to become the vessel for Michael, who was destined to defeat Lucifer and usher in the end of days. When Sam threw himself into Lucifer's cage, disrupting the prophecy, Michael followed Lucifer back to hell. This trapped both Michael and Adam in Lucifer's cage, where they stayed -- until Abel's return in Season 15's "Our Father, Who Aren't in Heaven," where Castiel revealed God's true plans to Michael. Now, he will get a chance to resolve some unfinished business before the series ends.

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Supernatural Season 15 will consist of 20 episodes, with the season finale airing in May. This makes it the longest-running fantasy/sci-fi television series in the history of American television. The show has been on the air since 2005.

Returning Monday, March 16 at 8 p.m. ET/PT on The CW, the final season of Supernatural stars Jensen Ackles, Jared Padalecki, Misha Collins and Alexander Calvert.

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