We have the description for 10.21.
“Dark Dynasty” — (9:00-10:00 p.m. ET)
THE WINCHESTERS MEET THE STYNES — Dean (Jensen Ackles) and Sam (Jared Padalecki) investigate a bizarre murder and realize the killer bears the same tattoo as those from the Styne family. Eldon Styne (guest star David Hoflin) attacks Dean and a brutal fight ensues. Meanwhile, Castiel (Misha Collins) acts as referee when Charlie (guest star Felicia Day) and Rowena (guest star Ruth Connell) are forced to work together on the Book of the Damned. Crowley (Mark Sheppard) discovers his mother is missing and knows she’s up to something so he turns to an old enemy for help. Robert Singer directed this episode written by Eugenie Ross-Leming & Brad Buckner (#1021). Original airdate 5/6/2015.
The Stynes! Charlie! Written by Eugenie Ros-Lemming and Brad Buckner! What could go wrong? So now Charlie and Rowena team up with Cas in the mix. Sam and Dean are being drawn closer to the Stynes. Meanwhile Crowley fights back on Rowena. Are you excited for a Charlie, Cas, Rowena adventure? How do you feel about the Stynes? To me, it sounds like they may become a force in the show, at least this season. Do you think they will play a part going into the finale? Or are they going to be defeated? Will the Stynes find the Book of the Damned? Who will Crowley turn to for help? What do you think? Do you have any ideas about how this episode will go down? Let us know in the comments.