'Supernatural' Season 14 Spoilers: Episode 10 Return Date, Synopsis, Trailer Released [WATCH]

"Supernatural" Season 14, episode 10 will air this week, and fans will get to see the aftermath of Dean (Jensen Ackles) being possessed by Michael once again.

According to synopsis provided by TV Guide, "Supernatural" Season 14, episode 10 will focus on Michael using Dean's body to move his plans of enslaving humanity forward. Meanwhile, Sam (Jared Padalecki) will figure out how to save prevent Michael from succeeding before anyone else becomes a casualty.

"Michael has re-taken control of Dean as his army of monsters continues to move in on the heroes. Sam devises a plan to try and reach Dean and stop Michael before anyone else has to die," the "Supernatural" Season 14, episode 10 synopsis read.

In "Supernatural" Season 14, episode 9, the boys try to obtain the only weapon that can seriously harm the archangel, Kaia's spear. Their final confrontation with Michael, however, does not go well. Dean hesitates when is faced with the archangel, and this results in him getting his body stolen once again.

Meanwhile, Entertainment Weekly has released some emotional teaser photos from the upcoming "Supernatural" 300th episode. As previously reported, Jeffrey Dean Morgan will be making an appearance as John Winchester. But he's not the only dead Winchester who will be alive in the altered reality of the "Supernatural" 300th episode. His wife and Dean and Sam's mother, Mary (Samantha Smith), will also be reunited with her husband and her children.

“Dean is faced with essentially a genie in a bottle, and this is what he would truly wish for if his heart could speak," Ackles said of the upcoming emotional reunion.

Of course, it's inevitable that Dean and Sam will be meeting some of their old foes. Castiel's old boss Zachariah (Kurt Fuller) will apparently be making an appearance, along with an alternate version of Castiel (Misha Collins).

While waiting for the episodes to air, you can check out the "Supernatural" Season 14, episode 10 preview below to find out clues on what will happen to Dean, Sam, Castiel and the rest in the coming installments.