Supernatural kicked off the summer hell-atus with a jaw-dropping (or eye-opening) cliffhanger, and the series' writers are already back at work deciding what's next for Demon Dean and his little brother.

How Will Castiel React To Demon Dean On 'Supernatural'? Misha Collins Discuses Dean's Death

It is currently unknown who will pen the season 10 premiere, but writer Adam Glass is currently hard at work on at least one upcoming episode. Glass, who previously created "Mother's Little Helper," "Sharp Teeth," and "Bad Boys," recently dropped a few hints regarding what fans can expect from his next project.

"Ok #Supernatural rough board 4 my episode goes up today," Glass tweeted on Tuesday. "I've got some yummy boys stuff to play and a week to get it right b4 pitching it."

Jensen Ackles Believes Human Aspects Of Dean Will Remain Despite Demon Form

Although the Winchester brothers appeared to work out their issues during "Do You Believe in Miracles," the pair will no doubt encounter a few new problems now that Dean is sporting a pair of shiny black eyes (see video below). However, Jared Padalecki (Sam) believes that the brothers will continue to be affected by their finale reconciliation.

"You see in the finale a lot of what makes Sam and Dean 'Sam and Dean,'" Padalecki told TV Line. "There's a lot of that brotherly love that the show is based on. So hopefully next season we bounce off of that."

Find out more when Supernatural returns to The CW this Fall.

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Supernatural, Television, The cw