The CW has released 10 episode stills of
7.18 - "Party On, Garth"
Dean gets a call from Garth asking for the brothers’ help on a case.
Written by: Adam Glass
Directed by: Phil Sgriccia
Airs: Friday, March 30th, 2012 at 9/8c.

The CW released a few clips of the episode
7.17 - "The Born-Again Identity".
Sam reaches his breaking point and ends up in a mental institution, Meanwhile Dean goes searching for help to stop Sam's suffering.

Airs: Friday March 23rd, 2012 at 9/8c

The CW has released an official description of
7.18 – "Party On, Garth"

GARTH IS BACK TO HELP THE WINCHESTERS
Written by: Adam Glass
Directed by: Phil Sgriccia
Airs: Friday, March 30th, 2012.

The CW has released 8 episode stills of
7.17 - "The Born-Again Identity"
Lucifer drives Sam to the breaking point and Sam ends up in a mental hospital.
Written by: Sera Gamble
Directed by: Robert Singer
Airs: Friday, March 23rd, 2012 at 9/8c.

The CW released a few clips of the episode
7.16 - "Out With The Old".
After a ballerina is found dead from dancing herself to death, Dean accidentally touches the slippers and power of the curse starts to take hold of him.

Airs: Friday March 16th, 2012 at 9/8c

The CW has released 8 episode stills of
7.16 - "Out With The Old"
Sam & Dean are on a hunt about cursed objects and one of them takes a hold of Dean
Written by: Robert Singer & Jenny Klein
Directed by: John F. Showalter
Airs: Friday, March 16th, 2012 at 9/8c.