Okay, when an episode leaves you an utter speechless mess, it works! Thanks to an early critics preview courtesy of Warner Brothers, I just got to see this week's upcoming episode "The Song Remains The Same." It's definitely epic. It pretty much blew apart my afternoon! After a few weeks of "standalones" this one is going to get the fans buzzing again. 
As I've done with previews in the past, I'll just list at random some "teasers." I'm not going to give away the big spoilers, as there's a disclosure thing there plus its common sense. I want you to be blown away like I was.   

BE WARNED!!!  Spoilery info ahead (no major reveals)!!! Read at your own risk!!!

ETA:  I would prefer this not be reposted word from word, but if you're gonna do that, at least credit the correct site!  I've already seen other sites being wrongly given credit for this.  Thanks much!!

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-          Amy Gumenick and Matt Cohen are back as the young Mary and John Winchester. They are even better in this one than "In The Beginning." John gets far more screen time and more prominent a role. They're both really good.
-          If you think Dean's fishing dream was amusing, you should see what it is this time. Best ever.
-          Anna reveals what happened to her to Dean. He's surprised to hear all of it.
-          Time travel is Anna's plan B. You should see what plan A is and how that plays out.
-          The year is 1978 and Sam finds the time period amusing, especially  the mustaches.
-          It's a muscle car fiesta in this episode! No driving around in lame pintos for Dean and Sam.
-          Sam is right in the middle of the action this time with Dean. He definitely gets emotional over the whole thing. Just wait until you see his reaction when meeting young John and Mary.
-          Mary still fights like a badass.
-          Sam finally gets to do something that only Dean and Castiel have done before. It's awesome!
-          There's a strange family moment with all four of them riding in the Impala, especially with Sam and Dean in the backseat.
-          John steps up in a big way, showing signs of the older him. 
-          John and Sam have a "moment" as do Dean, Sam and Mary. These are the Kleenex portions of the episode. Be prepared!
-          The rest, it's awesome. It's also too major for me to say much more, but it involves Dean in a big way.  Here's one little spoiler, there is a major character death. 

Okay, speculate away.  Thursday seems a little farther away now, doesn't it???