VIDEO: Sneak Peek - Mid-Season Finale of The CW's SUPERNATURAL

On the Mid-Season Finale of SUPERNATURAL titled "The Bad Place", Jack (Alexander Calvert), desperate to prove to Sam (Jared Padalecki) and Dean (Jensen Ackles) that he is good and that he can control his powers, enlists the help of a DREAMCATCHER named Kaia (guest star Yadira Guevara-Prip) to help him find Mary Winchester (guest star Samantha Smith) and save her from the alternate universe.

However, when plans go awry, the Winchester brothers are the ones who need saving. Phil Sgriccia directed the episode written by Robert Berens and airs Thursday, December 7th on The CW. Get a sneak peek below!

The thrilling and terrifying journey of the Winchester brothers continues. Sam (Jared Padalecki) and Dean (Jensen Ackles) have spent their lives on the road, battling every kind of supernatural threat. Over the years, after dozens of bloody adventures, they have faced everything from the yellow-eyed demon that killed their mother to vampires, ghosts, shapeshifters, angels and fallen gods. They even came face to face with LUCIFER and the Four Horsemen in averting the Apocalypse. With the help of allies - both human and supernatural - they've discovered that every threat they vanquish opens a new door for evil to enter in.