A Cryptic 'Supernatural' Spoiler

A Cryptic 'Supernatural' Spoiler

Put on your thinking caps, Supernatural fans! EW has given us this tantalizingly cryptic spoiler when asked if there was any juicy stuff coming up for Sam:

"Always! But especially if he’s the brother who ended up filming at **e ***i* **** I saw on the call sheet during my set visit last week. But there’s no way to be sure who that was exactly. Actually, there is. But I’m not telling."

Can you figure out what letters the asterisks stand for? Be sure to post your guesses in the comments!