The CW has released an official description of the episode, 8.03 – "Heartache".

Sam & Dean investigate a string of unusual murders.
Written by: Brad Buckner & Eugenie Ross-Leming
Directed by: Jensen Ackles
Airs: Wednesday, October 17th, 2012.

The CW has released 12 episode stills of
8.02 - "What's Up, Tiger Mommy".
Kevin talks Sam and Dean into checking in on his mother and are surprised by demons.
Written by: Andrew Dabb & Daniel Loflin,
Directed by: John Showalter.
Airs: Wednesday October 10th, 2012 at 9/8c.

The CW has released an official description of the episode, 8.02 – "Whats Up, Tiger Mommy".

MRS. TRAN JOINS SAM AND DEAN ON THE ROAD
Written by: Andrew Dabb & Daniel Loflin
Directed by: John Showalter
Airs: Wednesday, October 10th, 2012.

The CW has released 10 episode stills of the Season 8 Premiere "We Need to Talk About Kevin".
Dean and Sam reunite and start to look for Kevin who has managed to escape Crowley’s grasp.
Written by: Jeremy Carver,
Directed by: Robert Singer.
Airs: Wednesday October 3rd, 2012 at 9/8c.

The CW has released an official description of the Season 8 Premiere episode.
8.01 – "We Need To Talk About Kevin"
SAM & DEAN ARE REUNITED AFTER A YEAR APART
Written by: Jeremy Carver
Directed by: Robert Singer
Airs: Wednesday, October 3rd, 2012.

Supernatural - The Complete Seventh Season is heading to Blu-ray and DVD on September 18th from Warner Home Video.

Check out the full list of special features along with a promo video for the release.