Supernatural “Trial and Error” Images

Supernatural’s “Trial and Error’ sees Kevin (guest star Osric Chau) finally deciphering the tablet which will close the gates of Hell.

However, as always there is a catch. According to the tablet, one person must be chosen to face a series of three tests designed by God, the first one doesn’t look like it’s going to be a cake walk.

Sam and Dean argue over which one of them will accept the first challenge – to kill a hellhound.

“Trail and Error” airs Wednesday February 13th on the CW.

First look images from the episode follow below.