The Curious Case Of Dean Winchester, I am really curious! Will you still love Dean if he is an old man?
Synopsis: Sam and Dean discover a witch (guest star Hal Ozsan) is running a high-stakes poker game where the currency is life years vs. money. Bobby sees the game as a chance to get out of the wheelchair and bets 25 years, but loses. As Bobby begins to age rapidly, Dean steps in to save him but also ends up turning into an old man, leaving Sam holding the bag for their survival. Teleplay by Sera Gamble and story by Sera Gamble & Jenny Klein. Episode directed by Robert Singer.
Sources: SPN and SpoilerTV.
There is also a new promo of the upcoming episodes - I Believe the Children are our Future and The Curious Case of Dean Winchester.
From October 22, there will be repeats. New episodes will return on October 29 until November 19 with the last episode of year - 5.10 Abandon All Hope.